5150511516665 has 16 divisors (see below), whose sum is σ = 6194817269712. Its totient is φ = 4110947675904.

The previous prime is 5150511516541. The next prime is 5150511516701. The reversal of 5150511516665 is 5666151150515.

It can be written as a sum of positive squares in 8 ways, for example, as 3290026428649 + 1860485088016 = 1813843^2 + 1363996^2 .

It is a cyclic number.

It is not a de Polignac number, because 5150511516665 - 2¹⁸ = 5150511254521 is a prime.

It is a Duffinian number.

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, 5098607 + ... + 6024683.

It is an arithmetic number, because the mean of its divisors is an integer number (387176079357).

Almost surely, 2^{5150511516665} is an apocalyptic number.

It is an amenable number.

5150511516665 is a deficient number, since it is larger than the sum of its proper divisors (1044305753047).

5150511516665 is a wasteful number, since it uses less digits than its factorization.

5150511516665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928636.

The product of its (nonzero) digits is 675000, while the sum is 47.

The spelling of 5150511516665 in words is "five trillion, one hundred fifty billion, five hundred eleven million, five hundred sixteen thousand, six hundred sixty-five".