70056561124 has 81 divisors (see below), whose sum is σ = 137955850921. Its totient is φ = 31105428640.

The previous prime is 70056561109. The next prime is 70056561131. The reversal of 70056561124 is 42116565007.

It is a happy number.

The square root of 70056561124 is 264682.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 50503572900 + 19552988224 = 224730^2 + 139832^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 308619099 + ... + 308619325.

Almost surely, 2^70056561124 is an apocalyptic number.

70056561124 is the 264682-nd square number.

It is an amenable number.

70056561124 is a deficient number, since it is larger than the sum of its proper divisors (67899289797).

70056561124 is a wasteful number, since it uses less digits than its factorization.

70056561124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 70056561124 in words is "seventy billion, fifty-six million, five hundred sixty-one thousand, one hundred twenty-four".