11136813525 has 60 divisors (see below), whose sum is σ = 20712361824. Its totient is φ = 5915700000.

The previous prime is 11136813511. The next prime is 11136813553. The reversal of 11136813525 is 52531863111.

It is a happy number.

11136813525 is a `hidden beast` number, since 1 + 113 + 6 + 8 + 13 + 525 = 666.

It is not a de Polignac number, because 11136813525 - 2⁹ = 11136813013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11136813525.

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 59 ways as a sum of consecutive naturals, for example, 497320 + ... + 519230.

Almost surely, 2^11136813525 is an apocalyptic number.

11136813525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11136813525 is a deficient number, since it is larger than the sum of its proper divisors (9575548299).

11136813525 is a wasteful number, since it uses less digits than its factorization.

11136813525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22184 (or 22170 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The spelling of 11136813525 in words is "eleven billion, one hundred thirty-six million, eight hundred thirteen thousand, five hundred twenty-five".