5187551515 has 16 divisors (see below), whose sum is σ = 6399640800. Its totient is φ = 4033877760.

The previous prime is 5187551503. The next prime is 5187551521. The reversal of 5187551515 is 5151557815.

It is not a de Polignac number, because 5187551515 - 2⁵ = 5187551483 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, 180700 + ... + 207430.

It is an arithmetic number, because the mean of its divisors is an integer number (399977550).

Almost surely, 2^5187551515 is an apocalyptic number.

5187551515 is a deficient number, since it is larger than the sum of its proper divisors (1212089285).

5187551515 is a wasteful number, since it uses less digits than its factorization.

5187551515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27822.

The product of its digits is 175000, while the sum is 43.

The square root of 5187551515 is about 72024.6590759026. The cubic root of 5187551515 is about 1731.0946233896.

The spelling of 5187551515 in words is "five billion, one hundred eighty-seven million, five hundred fifty-one thousand, five hundred fifteen".