56981157562948 has 24 divisors (see below), whose sum is σ = 99852207840000. Its totient is φ = 28451967558240.

The previous prime is 56981157562883. The next prime is 56981157562963. The reversal of 56981157562948 is 84926575118965.

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, 17140803 + ... + 20193301.

It is an arithmetic number, because the mean of its divisors is an integer number (4160508660000).

Almost surely, 2^{56981157562948} is an apocalyptic number.

It is an amenable number.

56981157562948 is a deficient number, since it is larger than the sum of its proper divisors (42871050277052).

56981157562948 is a wasteful number, since it uses less digits than its factorization.

56981157562948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058827 (or 3058825 counting only the distinct ones).

The product of its digits is 1306368000, while the sum is 76.

The spelling of 56981157562948 in words is "fifty-six trillion, nine hundred eighty-one billion, one hundred fifty-seven million, five hundred sixty-two thousand, nine hundred forty-eight".