213515080733815 has 32 divisors (see below), whose sum is σ = 294299048908800. Its totient is φ = 145672104824064.

The previous prime is 213515080733791. The next prime is 213515080733837. The reversal of 213515080733815 is 518337080515312.

It is not a de Polignac number, because 213515080733815 - 2¹⁵ = 213515080701047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 956536 + ... + 20686834.

It is an arithmetic number, because the mean of its divisors is an integer number (9196845278400).

Almost surely, 2^{213515080733815} is an apocalyptic number.

213515080733815 is a deficient number, since it is larger than the sum of its proper divisors (80783968174985).

213515080733815 is a wasteful number, since it uses less digits than its factorization.

213515080733815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19731871.

The product of its (nonzero) digits is 3024000, while the sum is 52.

The spelling of 213515080733815 in words is "two hundred thirteen trillion, five hundred fifteen billion, eighty million, seven hundred thirty-three thousand, eight hundred fifteen".