51344606501515 has 16 divisors (see below), whose sum is σ = 61992605477376. Its totient is φ = 40823673660000.

The previous prime is 51344606501483. The next prime is 51344606501519. The reversal of 51344606501515 is 51510560644315.

It is not a de Polignac number, because 51344606501515 - 2⁵ = 51344606501483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51344606501519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43600401 + ... + 44762530.

It is an arithmetic number, because the mean of its divisors is an integer number (3874537842336).

Almost surely, 2^{51344606501515} is an apocalyptic number.

51344606501515 is a deficient number, since it is larger than the sum of its proper divisors (10647998975861).

51344606501515 is a wasteful number, since it uses less digits than its factorization.

51344606501515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88363650.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 51344606501515 in words is "fifty-one trillion, three hundred forty-four billion, six hundred six million, five hundred one thousand, five hundred fifteen".