13112505255502 has 16 divisors (see below), whose sum is σ = 20371535006400. Its totient is φ = 6322539011040.

The previous prime is 13112505255491. The next prime is 13112505255511. The reversal of 13112505255502 is 20555250521131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136307574 + ... + 136403737.

It is an arithmetic number, because the mean of its divisors is an integer number (1273220937900).

Almost surely, 2^{13112505255502} is an apocalyptic number.

13112505255502 is a deficient number, since it is larger than the sum of its proper divisors (7259029750898).

13112505255502 is a wasteful number, since it uses less digits than its factorization.

13112505255502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272712171.

The product of its (nonzero) digits is 75000, while the sum is 37.

Adding to 13112505255502 its reverse (20555250521131), we get a palindrome (33667755776633).

The spelling of 13112505255502 in words is "thirteen trillion, one hundred twelve billion, five hundred five million, two hundred fifty-five thousand, five hundred two".