11531216140525 has 24 divisors (see below), whose sum is σ = 14314618782944. Its totient is φ = 9214712020800.

The previous prime is 11531216140487. The next prime is 11531216140531. The reversal of 11531216140525 is 52504161213511.

It is not a de Polignac number, because 11531216140525 - 2¹⁹ = 11531215616237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 117841519 + ... + 117939331.

Almost surely, 2^{11531216140525} is an apocalyptic number.

It is an amenable number.

11531216140525 is a deficient number, since it is larger than the sum of its proper divisors (2783402642419).

11531216140525 is a wasteful number, since it uses less digits than its factorization.

11531216140525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103021 (or 103016 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 11531216140525 in words is "eleven trillion, five hundred thirty-one billion, two hundred sixteen million, one hundred forty thousand, five hundred twenty-five".