51336136360404 has 72 divisors (see below), whose sum is σ = 148324891723008. Its totient is φ = 14665440277440.

The previous prime is 51336136360403. The next prime is 51336136360451. The reversal of 51336136360404 is 40406363163315.

It is a happy number.

51336136360404 is a `hidden beast` number, since 5 + 1 + 3 + 3 + 6 + 1 + 3 + 636 + 0 + 4 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 51336136360404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51336136360403) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 12250812 + ... + 15898259.

Almost surely, 2^{51336136360404} is an apocalyptic number.

It is an amenable number.

51336136360404 is an abundant number, since it is smaller than the sum of its proper divisors (96988755362604).

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

51336136360404 is a wasteful number, since it uses less digits than its factorization.

51336136360404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28156325 (or 28156320 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The spelling of 51336136360404 in words is "fifty-one trillion, three hundred thirty-six billion, one hundred thirty-six million, three hundred sixty thousand, four hundred four".