11165632256 has 72 divisors (see below), whose sum is σ = 23387398944. Its totient is φ = 5310074880.

The previous prime is 11165632241. The next prime is 11165632277. The reversal of 11165632256 is 65223656111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060490 + ... + 1070966.

Almost surely, 2^11165632256 is an apocalyptic number.

11165632256 is a gapful number since it is divisible by the number (16) 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 11165632256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11693699472).

11165632256 is an abundant number, since it is smaller than the sum of its proper divisors (12221766688).

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

11165632256 is a wasteful number, since it uses less digits than its factorization.

11165632256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10697 (or 10683 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The spelling of 11165632256 in words is "eleven billion, one hundred sixty-five million, six hundred thirty-two thousand, two hundred fifty-six".