11137512525 has 24 divisors (see below), whose sum is σ = 19214633280. Its totient is φ = 5681744640.

The previous prime is 11137512469. The next prime is 11137512593. The reversal of 11137512525 is 52521573111.

It is not a de Polignac number, because 11137512525 - 2¹³ = 11137504333 is a prime.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 3226540 + ... + 3229989.

It is an arithmetic number, because the mean of its divisors is an integer number (800609720).

Almost surely, 2^11137512525 is an apocalyptic number.

11137512525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11137512525 is a deficient number, since it is larger than the sum of its proper divisors (8077120755).

11137512525 is a wasteful number, since it uses less digits than its factorization.

11137512525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456565 (or 6456560 counting only the distinct ones).

The product of its digits is 10500, while the sum is 33.

The spelling of 11137512525 in words is "eleven billion, one hundred thirty-seven million, five hundred twelve thousand, five hundred twenty-five".