5157447515 has 8 divisors (see below), whose sum is σ = 6751567728. Its totient is φ = 3750870880.

The previous prime is 5157447509. The next prime is 5157447517.

5157447515 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5157447515 - 2⁴ = 5157447499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5157447517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46885832 + ... + 46885941.

It is an arithmetic number, because the mean of its divisors is an integer number (843945966).

Almost surely, 2^5157447515 is an apocalyptic number.

5157447515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5157447515 is a deficient number, since it is larger than the sum of its proper divisors (1594120213).

5157447515 is a wasteful number, since it uses less digits than its factorization.

5157447515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93771789.

The product of its digits is 490000, while the sum is 44.

The square root of 5157447515 is about 71815.3710218084. The cubic root of 5157447515 is about 1727.7395399460.

The spelling of 5157447515 in words is "five billion, one hundred fifty-seven million, four hundred forty-seven thousand, five hundred fifteen".