13155558662256 has 20 divisors (see below), whose sum is σ = 33985193210952. Its totient is φ = 4385186220736.

The previous prime is 13155558662237. The next prime is 13155558662299. The reversal of 13155558662256 is 65226685555131.

It is a self number, because there is not a number n which added to its sum of digits gives 13155558662256.

It is a congruent number.

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, 137037069351 + ... + 137037069446.

Almost surely, 2^{13155558662256} is an apocalyptic number.

13155558662256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13155558662256 is an abundant number, since it is smaller than the sum of its proper divisors (20829634548696).

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

13155558662256 is a wasteful number, since it uses less digits than its factorization.

13155558662256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274074138808 (or 274074138802 counting only the distinct ones).

The product of its digits is 64800000, while the sum is 60.

The spelling of 13155558662256 in words is "thirteen trillion, one hundred fifty-five billion, five hundred fifty-eight million, six hundred sixty-two thousand, two hundred fifty-six".