13242805556 has 24 divisors (see below), whose sum is σ = 23994835200. Its totient is φ = 6388430400.

The previous prime is 13242805547. The next prime is 13242805603. The reversal of 13242805556 is 65550824231.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 120281 + ... + 202368.

It is an arithmetic number, because the mean of its divisors is an integer number (999784800).

Almost surely, 2^13242805556 is an apocalyptic number.

It is an amenable number.

13242805556 is a deficient number, since it is larger than the sum of its proper divisors (10752029644).

13242805556 is a wasteful number, since it uses less digits than its factorization.

13242805556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323015 (or 323013 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 13242805556 in words is "thirteen billion, two hundred forty-two million, eight hundred five thousand, five hundred fifty-six".