11499827790 has 64 divisors (see below), whose sum is σ = 30133078272. Its totient is φ = 2785574400.

The previous prime is 11499827771. The next prime is 11499827791. The reversal of 11499827790 is 9772899411.

It is a self number, because there is not a number n which added to its sum of digits gives 11499827790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11499827791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412534 + ... + 439526.

It is an arithmetic number, because the mean of its divisors is an integer number (470829348).

Almost surely, 2^11499827790 is an apocalyptic number.

11499827790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11499827790 is an abundant number, since it is smaller than the sum of its proper divisors (18633250482).

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

11499827790 is a wasteful number, since it uses less digits than its factorization.

11499827790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28305.

The product of its (nonzero) digits is 2286144, while the sum is 57.

The spelling of 11499827790 in words is "eleven billion, four hundred ninety-nine million, eight hundred twenty-seven thousand, seven hundred ninety".