70815694697912 has 32 divisors (see below), whose sum is σ = 132898621406400. Its totient is φ = 35376067169664.

The previous prime is 70815694697903. The next prime is 70815694697941. The reversal of 70815694697912 is 21979649651807.

It is a self number, because there is not a number n which added to its sum of digits gives 70815694697912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119231393 + ... + 119823855.

It is an arithmetic number, because the mean of its divisors is an integer number (4153081918950).

Almost surely, 2^{70815694697912} is an apocalyptic number.

It is an amenable number.

70815694697912 is a deficient number, since it is larger than the sum of its proper divisors (62082926708488).

70815694697912 is a wasteful number, since it uses less digits than its factorization.

70815694697912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605855 (or 605851 counting only the distinct ones).

The product of its (nonzero) digits is 411505920, while the sum is 74.

The spelling of 70815694697912 in words is "seventy trillion, eight hundred fifteen billion, six hundred ninety-four million, six hundred ninety-seven thousand, nine hundred twelve".