70535103257531 has 16 divisors (see below), whose sum is σ = 77095918558080. Its totient is φ = 63999157759680.

The previous prime is 70535103257491. The next prime is 70535103257569. The reversal of 70535103257531 is 13575230153507.

It is not a de Polignac number, because 70535103257531 - 2²² = 70535099063227 is a prime.

It is a super-2 number, since 2×70535103257531² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70535103257581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9494135 + ... + 15205551.

It is an arithmetic number, because the mean of its divisors is an integer number (4818494909880).

Almost surely, 2^{70535103257531} is an apocalyptic number.

70535103257531 is a deficient number, since it is larger than the sum of its proper divisors (6560815300549).

70535103257531 is a wasteful number, since it uses less digits than its factorization.

70535103257531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713594.

The product of its (nonzero) digits is 1653750, while the sum is 47.

The spelling of 70535103257531 in words is "seventy trillion, five hundred thirty-five billion, one hundred three million, two hundred fifty-seven thousand, five hundred thirty-one".