51300113004 has 36 divisors (see below), whose sum is σ = 148200327184. Its totient is φ = 14657175072.

The previous prime is 51300112991. The next prime is 51300113009. The reversal of 51300113004 is 40031100315.

51300113004 is a `hidden beast` number, since 51 + 300 + 11 + 300 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×51300113004³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (51300113009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101785687 + ... + 101786190.

Almost surely, 2^51300113004 is an apocalyptic number.

It is an amenable number.

51300113004 is an abundant number, since it is smaller than the sum of its proper divisors (96900214180).

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

51300113004 is a wasteful number, since it uses less digits than its factorization.

51300113004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203571894 (or 203571889 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 51300113004 its reverse (40031100315), we get a palindrome (91331213319).

The spelling of 51300113004 in words is "fifty-one billion, three hundred million, one hundred thirteen thousand, four".