1103750905500 has 72 divisors (see below), whose sum is σ = 3481966204080. Its totient is φ = 294333573600.

The previous prime is 1103750905417. The next prime is 1103750905511. The reversal of 1103750905500 is 55090573011.

1103750905500 is a `hidden beast` number, since 1 + 10 + 3 + 7 + 5 + 0 + 90 + 550 + 0 = 666.

It is a super-2 number, since 2×1103750905500² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122634490 + ... + 122643489.

Almost surely, 2^{1103750905500} is an apocalyptic number.

1103750905500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103750905500 is an abundant number, since it is smaller than the sum of its proper divisors (2378215298580).

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

1103750905500 is a wasteful number, since it uses less digits than its factorization.

1103750905500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245278004 (or 245277989 counting only the distinct ones).

The product of its (nonzero) digits is 23625, while the sum is 36.

The spelling of 1103750905500 in words is "one trillion, one hundred three billion, seven hundred fifty million, nine hundred five thousand, five hundred".