11097554688 has 270 divisors, whose sum is σ = 36380865752. Its totient is φ = 3362135040.

The previous prime is 11097554687. The next prime is 11097554701. The reversal of 11097554688 is 88645579011.

It is a happy number.

11097554688 is a `hidden beast` number, since 1 + 1 + 0 + 9 + 7 + 554 + 6 + 88 = 666.

11097554688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11097554687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2506845 + ... + 2511267.

Almost surely, 2^11097554688 is an apocalyptic number.

11097554688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11097554688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18190432876).

11097554688 is an abundant number, since it is smaller than the sum of its proper divisors (25283311064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11097554688 is an equidigital number, since it uses as much as digits as its factorization.

11097554688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473 (or 4439 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 11097554688 in words is "eleven billion, ninety-seven million, five hundred fifty-four thousand, six hundred eighty-eight".