2515157561715 has 16 divisors (see below), whose sum is σ = 4025396411808. Its totient is φ = 1341035928576.

The previous prime is 2515157561713. The next prime is 2515157561773. The reversal of 2515157561715 is 5171657515152.

It is not a de Polignac number, because 2515157561715 - 2¹ = 2515157561713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2515157561713) 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, 23785342 + ... + 23890851.

It is an arithmetic number, because the mean of its divisors is an integer number (251587275738).

Almost surely, 2^{2515157561715} is an apocalyptic number.

2515157561715 is a deficient number, since it is larger than the sum of its proper divisors (1510238850093).

2515157561715 is a wasteful number, since it uses less digits than its factorization.

2515157561715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47679718.

The product of its digits is 1837500, while the sum is 51.

The spelling of 2515157561715 in words is "two trillion, five hundred fifteen billion, one hundred fifty-seven million, five hundred sixty-one thousand, seven hundred fifteen".