5157117515 has 16 divisors (see below), whose sum is σ = 6753443040. Its totient is φ = 3749349120.

The previous prime is 5157117491. The next prime is 5157117517.

5157117515 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5157117515 - 2²⁸ = 4888682059 is a prime.

It is a super-2 number, since 2×5157117515² = 53191722127039550450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5157117517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164741 + ... + 193529.

It is an arithmetic number, because the mean of its divisors is an integer number (422090190).

Almost surely, 2^5157117515 is an apocalyptic number.

5157117515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5157117515 is a deficient number, since it is larger than the sum of its proper divisors (1596325525).

5157117515 is a wasteful number, since it uses less digits than its factorization.

5157117515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32062.

The product of its digits is 30625, while the sum is 38.

The square root of 5157117515 is about 71813.0734267793. The cubic root of 5157117515 is about 1727.7026892747.

The spelling of 5157117515 in words is "five billion, one hundred fifty-seven million, one hundred seventeen thousand, five hundred fifteen".