56798111998 has 16 divisors (see below), whose sum is σ = 85892383440. Its totient is φ = 28167961536.

The previous prime is 56798111957. The next prime is 56798111999. The reversal of 56798111998 is 89911189765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56798111999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16138 + ... + 337426.

It is an arithmetic number, because the mean of its divisors is an integer number (5368273965).

Almost surely, 2^56798111998 is an apocalyptic number.

56798111998 is a deficient number, since it is larger than the sum of its proper divisors (29094271442).

56798111998 is a wasteful number, since it uses less digits than its factorization.

56798111998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322011.

The product of its digits is 9797760, while the sum is 64.

The spelling of 56798111998 in words is "fifty-six billion, seven hundred ninety-eight million, one hundred eleven thousand, nine hundred ninety-eight".