56815070278 has 32 divisors (see below), whose sum is σ = 86582200320. Its totient is φ = 27958106880.

The previous prime is 56815070251. The next prime is 56815070297. The reversal of 56815070278 is 87207051865.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32298763 + ... + 32300521.

It is an arithmetic number, because the mean of its divisors is an integer number (2705693760).

Almost surely, 2^56815070278 is an apocalyptic number.

56815070278 is a deficient number, since it is larger than the sum of its proper divisors (29767130042).

56815070278 is a wasteful number, since it uses less digits than its factorization.

56815070278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692.

The product of its (nonzero) digits is 940800, while the sum is 49.

The spelling of 56815070278 in words is "fifty-six billion, eight hundred fifteen million, seventy thousand, two hundred seventy-eight".