70565216711 has 16 divisors (see below), whose sum is σ = 77212634400. Its totient is φ = 63956766720.

The previous prime is 70565216671. The next prime is 70565216719. The reversal of 70565216711 is 11761256507.

It is a de Polignac number, because none of the positive numbers 2^k-70565216711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70565216719) 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, 7171451 + ... + 7181283.

It is an arithmetic number, because the mean of its divisors is an integer number (4825789650).

Almost surely, 2^70565216711 is an apocalyptic number.

70565216711 is a deficient number, since it is larger than the sum of its proper divisors (6647417689).

70565216711 is a wasteful number, since it uses less digits than its factorization.

70565216711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11746.

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 70565216711 in words is "seventy billion, five hundred sixty-five million, two hundred sixteen thousand, seven hundred eleven".