51615004107 has 8 divisors (see below), whose sum is σ = 70680005776. Its totient is φ = 33480002592.

The previous prime is 51615004081. The next prime is 51615004139. The reversal of 51615004107 is 70140051615.

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

It is not a de Polignac number, because 51615004107 - 2¹¹ = 51615002059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51615054107) by changing a digit.

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, 232499908 + ... + 232500129.

It is an arithmetic number, because the mean of its divisors is an integer number (8835000722).

Almost surely, 2^51615004107 is an apocalyptic number.

51615004107 is a deficient number, since it is larger than the sum of its proper divisors (19065001669).

51615004107 is a wasteful number, since it uses less digits than its factorization.

51615004107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465000077.

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 51615004107 in words is "fifty-one billion, six hundred fifteen million, four thousand, one hundred seven".