5165155665515 has 16 divisors (see below), whose sum is σ = 6606994598400. Its totient is φ = 3865091828832.

The previous prime is 5165155665493. The next prime is 5165155665521. The reversal of 5165155665515 is 5155665515615.

It is not a de Polignac number, because 5165155665515 - 2³⁴ = 5147975796331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344106797 + ... + 344121806.

It is an arithmetic number, because the mean of its divisors is an integer number (412937162400).

Almost surely, 2^{5165155665515} is an apocalyptic number.

5165155665515 is a deficient number, since it is larger than the sum of its proper divisors (1441838932885).

5165155665515 is a wasteful number, since it uses less digits than its factorization.

5165155665515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688228706.

The product of its digits is 16875000, while the sum is 56.

The spelling of 5165155665515 in words is "five trillion, one hundred sixty-five billion, one hundred fifty-five million, six hundred sixty-five thousand, five hundred fifteen".