11552763231 has 12 divisors (see below), whose sum is σ = 17042374752. Its totient is φ = 7537972896.

The previous prime is 11552763181. The next prime is 11552763293. The reversal of 11552763231 is 13236725511.

11552763231 is a `hidden beast` number, since 1 + 1 + 552 + 76 + 3 + 2 + 31 = 666.

It is not a de Polignac number, because 11552763231 - 2⁹ = 11552762719 is a prime.

It is a super-2 number, since 2×11552763231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552763631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13655326 + ... + 13656171.

It is an arithmetic number, because the mean of its divisors is an integer number (1420197896).

Almost surely, 2^11552763231 is an apocalyptic number.

11552763231 is a deficient number, since it is larger than the sum of its proper divisors (5489611521).

11552763231 is a wasteful number, since it uses less digits than its factorization.

11552763231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27311550 (or 27311547 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The spelling of 11552763231 in words is "eleven billion, five hundred fifty-two million, seven hundred sixty-three thousand, two hundred thirty-one".