515161010145 has 32 divisors (see below), whose sum is σ = 831906497664. Its totient is φ = 272209766400.

The previous prime is 515161010137. The next prime is 515161010227. The reversal of 515161010145 is 541010161515.

It is not a de Polignac number, because 515161010145 - 2³ = 515161010137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 990705 + ... + 1418385.

It is an arithmetic number, because the mean of its divisors is an integer number (25997078052).

Almost surely, 2^515161010145 is an apocalyptic number.

It is an amenable number.

515161010145 is a deficient number, since it is larger than the sum of its proper divisors (316745487519).

515161010145 is a wasteful number, since it uses less digits than its factorization.

515161010145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428433.

The product of its (nonzero) digits is 3000, while the sum is 30.

The spelling of 515161010145 in words is "five hundred fifteen billion, one hundred sixty-one million, ten thousand, one hundred forty-five".