51136070074 has 8 divisors (see below), whose sum is σ = 81216111348. Its totient is φ = 24064032960.

The previous prime is 51136070053. The next prime is 51136070081. The reversal of 51136070074 is 47007063115.

It can be written as a sum of positive squares in 2 ways, for example, as 37820525625 + 13315544449 = 194475^2 + 115393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51136070074² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 1504002061 = 51136070074 / (5 + 1 + 1 + 3 + 6 + 0 + 7 + 0 + 0 + 7 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752000997 + ... + 752001064.

Almost surely, 2^51136070074 is an apocalyptic number.

51136070074 is a deficient number, since it is larger than the sum of its proper divisors (30080041274).

51136070074 is a wasteful number, since it uses less digits than its factorization.

51136070074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504002080.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 51136070074 in words is "fifty-one billion, one hundred thirty-six million, seventy thousand, seventy-four".