11537165504 has 56 divisors (see below), whose sum is σ = 23361639840. Its totient is φ = 5651103744.

The previous prime is 11537165489. The next prime is 11537165551. The reversal of 11537165504 is 40556173511.

It is a happy number.

11537165504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2606237 + ... + 2610659.

It is an arithmetic number, because the mean of its divisors is an integer number (417172140).

Almost surely, 2^11537165504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11537165504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11680819920).

11537165504 is an abundant number, since it is smaller than the sum of its proper divisors (11824474336).

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

11537165504 is an equidigital number, since it uses as much as digits as its factorization.

11537165504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257 (or 5247 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 11537165504 in words is "eleven billion, five hundred thirty-seven million, one hundred sixty-five thousand, five hundred four".