2013506631056 has 40 divisors (see below), whose sum is σ = 3976767792000. Its totient is φ = 987263012736.

The previous prime is 2013506631029. The next prime is 2013506631067. The reversal of 2013506631056 is 6501366053102.

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, 1101251 + ... + 2289053.

It is an arithmetic number, because the mean of its divisors is an integer number (99419194800).

Almost surely, 2^{2013506631056} is an apocalyptic number.

It is an amenable number.

2013506631056 is a deficient number, since it is larger than the sum of its proper divisors (1963261160944).

2013506631056 is a wasteful number, since it uses less digits than its factorization.

2013506631056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189863 (or 1189857 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 2013506631056 in words is "two trillion, thirteen billion, five hundred six million, six hundred thirty-one thousand, fifty-six".