70531128885 has 16 divisors (see below), whose sum is σ = 128971207296. Its totient is φ = 32242801728.

The previous prime is 70531128779. The next prime is 70531128947. The reversal of 70531128885 is 58882113507.

It is not a de Polignac number, because 70531128885 - 2¹⁶ = 70531063349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335862414 + ... + 335862623.

It is an arithmetic number, because the mean of its divisors is an integer number (8060700456).

Almost surely, 2^70531128885 is an apocalyptic number.

It is an amenable number.

70531128885 is a deficient number, since it is larger than the sum of its proper divisors (58440078411).

70531128885 is a wasteful number, since it uses less digits than its factorization.

70531128885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671725052.

The product of its (nonzero) digits is 537600, while the sum is 48.

The spelling of 70531128885 in words is "seventy billion, five hundred thirty-one million, one hundred twenty-eight thousand, eight hundred eighty-five".