70323912155 has 32 divisors (see below), whose sum is σ = 102152171520. Its totient is φ = 45370068480.

The previous prime is 70323912097. The next prime is 70323912161. The reversal of 70323912155 is 55121932307.

It is a happy number.

It is not a de Polignac number, because 70323912155 - 2²⁴ = 70307134939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1880126 + ... + 1917164.

It is an arithmetic number, because the mean of its divisors is an integer number (3192255360).

Almost surely, 2^70323912155 is an apocalyptic number.

70323912155 is a deficient number, since it is larger than the sum of its proper divisors (31828259365).

70323912155 is a wasteful number, since it uses less digits than its factorization.

70323912155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40259.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 70323912155 in words is "seventy billion, three hundred twenty-three million, nine hundred twelve thousand, one hundred fifty-five".