70615977911 has 2 divisors, whose sum is σ = 70615977912. Its totient is φ = 70615977910.

The previous prime is 70615977713. The next prime is 70615977917. The reversal of 70615977911 is 11977951607.

It is a strong prime.

It is an emirp because it is prime and its reverse (11977951607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70615977911 - 2²² = 70611783607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70615977917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35307988955 + 35307988956.

It is an arithmetic number, because the mean of its divisors is an integer number (35307988956).

Almost surely, 2^70615977911 is an apocalyptic number.

70615977911 is a deficient number, since it is larger than the sum of its proper divisors (1).

70615977911 is an equidigital number, since it uses as much as digits as its factorization.

70615977911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 833490, while the sum is 53.

The spelling of 70615977911 in words is "seventy billion, six hundred fifteen million, nine hundred seventy-seven thousand, nine hundred eleven".