13111431413252 has 12 divisors (see below), whose sum is σ = 22945584567360. Its totient is φ = 6555550108296.

The previous prime is 13111431413233. The next prime is 13111431413293. The reversal of 13111431413252 is 25231413411131.

It is a super-2 number, since 2×13111431413252² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41221352 + ... + 41538207.

It is an arithmetic number, because the mean of its divisors is an integer number (1912132047280).

Almost surely, 2^{13111431413252} is an apocalyptic number.

It is an amenable number.

13111431413252 is a deficient number, since it is larger than the sum of its proper divisors (9834153154108).

13111431413252 is a wasteful number, since it uses less digits than its factorization.

13111431413252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82799170 (or 82799168 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

Adding to 13111431413252 its reverse (25231413411131), we get a palindrome (38342844824383).

The spelling of 13111431413252 in words is "thirteen trillion, one hundred eleven billion, four hundred thirty-one million, four hundred thirteen thousand, two hundred fifty-two".