70071100056 has 64 divisors (see below), whose sum is σ = 194664780000. Its totient is φ = 23354293248.

The previous prime is 70071100049. The next prime is 70071100069. The reversal of 70071100056 is 65000117007.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2771440 + ... + 2796608.

Almost surely, 2^70071100056 is an apocalyptic number.

It is an amenable number.

70071100056 is an abundant number, since it is smaller than the sum of its proper divisors (124593679944).

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

70071100056 is a wasteful number, since it uses less digits than its factorization.

70071100056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38073 (or 38063 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The spelling of 70071100056 in words is "seventy billion, seventy-one million, one hundred thousand, fifty-six".