70561056511 has 16 divisors (see below), whose sum is σ = 81524828160. Its totient is φ = 60357431680.

The previous prime is 70561056493. The next prime is 70561056521. The reversal of 70561056511 is 11565016507.

It is a cyclic number.

It is not a de Polignac number, because 70561056511 - 2⁵ = 70561056479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70561056521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704610 + ... + 798496.

It is an arithmetic number, because the mean of its divisors is an integer number (5095301760).

Almost surely, 2^70561056511 is an apocalyptic number.

70561056511 is a deficient number, since it is larger than the sum of its proper divisors (10963771649).

70561056511 is a wasteful number, since it uses less digits than its factorization.

70561056511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97934.

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 70561056511 in words is "seventy billion, five hundred sixty-one million, fifty-six thousand, five hundred eleven".