56112177890 has 16 divisors (see below), whose sum is σ = 101012462208. Its totient is φ = 22442528496.

The previous prime is 56112177853. The next prime is 56112177911. The reversal of 56112177890 is 9877121165.

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, 190532 + ... + 385391.

It is an arithmetic number, because the mean of its divisors is an integer number (6313278888).

Almost surely, 2^56112177890 is an apocalyptic number.

56112177890 is a deficient number, since it is larger than the sum of its proper divisors (44900284318).

56112177890 is a wasteful number, since it uses less digits than its factorization.

56112177890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585673.

The product of its (nonzero) digits is 211680, while the sum is 47.

The spelling of 56112177890 in words is "fifty-six billion, one hundred twelve million, one hundred seventy-seven thousand, eight hundred ninety".