11525675131 has 4 divisors (see below), whose sum is σ = 11526494152. Its totient is φ = 11524856112.

The previous prime is 11525675129. The next prime is 11525675137. The reversal of 11525675131 is 13157652511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13157652511 = 263 ⋅50029097.

It is a cyclic number.

It is not a de Polignac number, because 11525675131 - 2¹ = 11525675129 is a prime.

It is a super-2 number, since 2×11525675131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11525675137) 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 3 ways as a sum of consecutive naturals, for example, 388026 + ... + 416671.

It is an arithmetic number, because the mean of its divisors is an integer number (2881623538).

Almost surely, 2^11525675131 is an apocalyptic number.

11525675131 is a deficient number, since it is larger than the sum of its proper divisors (819021).

11525675131 is an equidigital number, since it uses as much as digits as its factorization.

11525675131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819020.

The product of its digits is 31500, while the sum is 37.

The spelling of 11525675131 in words is "eleven billion, five hundred twenty-five million, six hundred seventy-five thousand, one hundred thirty-one".