13656511102 has 24 divisors (see below), whose sum is σ = 22653707616. Its totient is φ = 6168891456.

The previous prime is 13656511097. The next prime is 13656511103. The reversal of 13656511102 is 20111565631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13656511103) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 413943 + ... + 445714.

It is an arithmetic number, because the mean of its divisors is an integer number (943904484).

Almost surely, 2^13656511102 is an apocalyptic number.

13656511102 is a deficient number, since it is larger than the sum of its proper divisors (8997196514).

13656511102 is a wasteful number, since it uses less digits than its factorization.

13656511102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859732 (or 859719 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 13656511102 in words is "thirteen billion, six hundred fifty-six million, five hundred eleven thousand, one hundred two".