70518443128 has 32 divisors (see below), whose sum is σ = 155985500160. Its totient is φ = 29247279840.

The previous prime is 70518443117. The next prime is 70518443161. The reversal of 70518443128 is 82134481507.

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, 20308876 + ... + 20312347.

It is an arithmetic number, because the mean of its divisors is an integer number (4874546880).

Almost surely, 2^70518443128 is an apocalyptic number.

It is an amenable number.

70518443128 is an abundant number, since it is smaller than the sum of its proper divisors (85467057032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70518443128 is a wasteful number, since it uses less digits than its factorization.

70518443128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40621267 (or 40621263 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 70518443128 in words is "seventy billion, five hundred eighteen million, four hundred forty-three thousand, one hundred twenty-eight".