11525904811 has 16 divisors (see below), whose sum is σ = 12695511040. Its totient is φ = 10422250560.

The previous prime is 11525904763. The next prime is 11525904823. The reversal of 11525904811 is 11840952511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11525904811 - 2²⁵ = 11492350379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11525904211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91035 + ... + 177028.

It is an arithmetic number, because the mean of its divisors is an integer number (793469440).

Almost surely, 2^11525904811 is an apocalyptic number.

11525904811 is a deficient number, since it is larger than the sum of its proper divisors (1169606229).

11525904811 is a wasteful number, since it uses less digits than its factorization.

11525904811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268186.

The product of its (nonzero) digits is 14400, while the sum is 37.

The spelling of 11525904811 in words is "eleven billion, five hundred twenty-five million, nine hundred four thousand, eight hundred eleven".