70115115657 has 8 divisors (see below), whose sum is σ = 93906045184. Its totient is φ = 46533798288.

The previous prime is 70115115641. The next prime is 70115115659. The reversal of 70115115657 is 75651151107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70115115657 - 2⁴ = 70115115641 is a prime.

It is a super-2 number, since 2×70115115657² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70115115659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52402258 + ... + 52403595.

It is an arithmetic number, because the mean of its divisors is an integer number (11738255648).

Almost surely, 2^70115115657 is an apocalyptic number.

It is an amenable number.

70115115657 is a deficient number, since it is larger than the sum of its proper divisors (23790929527).

70115115657 is a wasteful number, since it uses less digits than its factorization.

70115115657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104806079.

The product of its (nonzero) digits is 36750, while the sum is 39.

The spelling of 70115115657 in words is "seventy billion, one hundred fifteen million, one hundred fifteen thousand, six hundred fifty-seven".