5616811121256 has 80 divisors (see below), whose sum is σ = 15738911485440. Its totient is φ = 1871480207520.

The previous prime is 5616811121189. The next prime is 5616811121261. The reversal of 5616811121256 is 6521211186165.

5616811121256 is a `hidden beast` number, since 5 + 616 + 8 + 1 + 1 + 1 + 2 + 1 + 25 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 291496 + ... + 3364311.

It is an arithmetic number, because the mean of its divisors is an integer number (196736393568).

Almost surely, 2^{5616811121256} is an apocalyptic number.

It is an amenable number.

5616811121256 is an abundant number, since it is smaller than the sum of its proper divisors (10122100364184).

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

5616811121256 is a wasteful number, since it uses less digits than its factorization.

5616811121256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658196 (or 3658183 counting only the distinct ones).

The product of its digits is 172800, while the sum is 45.

The spelling of 5616811121256 in words is "five trillion, six hundred sixteen billion, eight hundred eleven million, one hundred twenty-one thousand, two hundred fifty-six".