51137179068 has 24 divisors (see below), whose sum is σ = 119324136400. Its totient is φ = 17045147520.

The previous prime is 51137179057. The next prime is 51137179081. The reversal of 51137179068 is 86097173115.

It is a super-2 number, since 2×51137179068² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442008 + ... + 545568.

Almost surely, 2^51137179068 is an apocalyptic number.

It is an amenable number.

51137179068 is an abundant number, since it is smaller than the sum of its proper divisors (68186957332).

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

51137179068 is a wasteful number, since it uses less digits than its factorization.

51137179068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144717 (or 144715 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 48.

The spelling of 51137179068 in words is "fifty-one billion, one hundred thirty-seven million, one hundred seventy-nine thousand, sixty-eight".