215162582915 has 32 divisors (see below), whose sum is σ = 297420304896. Its totient is φ = 146370631680.

The previous prime is 215162582837. The next prime is 215162582917. The reversal of 215162582915 is 519285261512.

It is not a de Polignac number, because 215162582915 - 2¹⁸ = 215162320771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 215162582915.

It is not an unprimeable number, because it can be changed into a prime (215162582917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27290564 + ... + 27298446.

It is an arithmetic number, because the mean of its divisors is an integer number (9294384528).

Almost surely, 2^215162582915 is an apocalyptic number.

215162582915 is a deficient number, since it is larger than the sum of its proper divisors (82257721981).

215162582915 is a wasteful number, since it uses less digits than its factorization.

215162582915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13979.

The product of its digits is 432000, while the sum is 47.

The spelling of 215162582915 in words is "two hundred fifteen billion, one hundred sixty-two million, five hundred eighty-two thousand, nine hundred fifteen".