515157872145 has 16 divisors (see below), whose sum is σ = 942002966400. Its totient is φ = 235500741504.

The previous prime is 515157872129. The next prime is 515157872167. The reversal of 515157872145 is 541278751515.

It is not a de Polignac number, because 515157872145 - 2⁴ = 515157872129 is a prime.

It is a Curzon 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, 2453132620 + ... + 2453132829.

It is an arithmetic number, because the mean of its divisors is an integer number (58875185400).

Almost surely, 2^515157872145 is an apocalyptic number.

It is an amenable number.

515157872145 is a deficient number, since it is larger than the sum of its proper divisors (426845094255).

515157872145 is a wasteful number, since it uses less digits than its factorization.

515157872145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906265464.

The product of its digits is 1960000, while the sum is 51.

The spelling of 515157872145 in words is "five hundred fifteen billion, one hundred fifty-seven million, eight hundred seventy-two thousand, one hundred forty-five".