13113454656 has 56 divisors (see below), whose sum is σ = 36522131680. Its totient is φ = 4141089792.

The previous prime is 13113454633. The next prime is 13113454681. The reversal of 13113454656 is 65645431131.

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, 1793701 + ... + 1800996.

Almost surely, 2^13113454656 is an apocalyptic number.

13113454656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13113454656 is an abundant number, since it is smaller than the sum of its proper divisors (23408677024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13113454656 is a wasteful number, since it uses less digits than its factorization.

13113454656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594731 (or 3594721 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

Adding to 13113454656 its reverse (65645431131), we get a palindrome (78758885787).

The spelling of 13113454656 in words is "thirteen billion, one hundred thirteen million, four hundred fifty-four thousand, six hundred fifty-six".