11525105616 has 40 divisors (see below), whose sum is σ = 30465594720. Its totient is φ = 3752359296.

The previous prime is 11525105549. The next prime is 11525105621. The reversal of 11525105616 is 61650152511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2789871 + ... + 2793998.

It is an arithmetic number, because the mean of its divisors is an integer number (761639868).

Almost surely, 2^11525105616 is an apocalyptic number.

11525105616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11525105616 is an abundant number, since it is smaller than the sum of its proper divisors (18940489104).

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

11525105616 is a wasteful number, since it uses less digits than its factorization.

11525105616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583923 (or 5583917 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 11525105616 in words is "eleven billion, five hundred twenty-five million, one hundred five thousand, six hundred sixteen".