215320514531232 has 96 divisors (see below), whose sum is σ = 626707846505664. Its totient is φ = 64178990899200.

The previous prime is 215320514531167. The next prime is 215320514531359. The reversal of 215320514531232 is 232135415023512.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1671263473 + ... + 1671392304.

It is an arithmetic number, because the mean of its divisors is an integer number (6528206734434).

Almost surely, 2^{215320514531232} is an apocalyptic number.

215320514531232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

215320514531232 is an abundant number, since it is smaller than the sum of its proper divisors (411387331974432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215320514531232 is a wasteful number, since it uses less digits than its factorization.

215320514531232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342655862 (or 3342655854 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 215320514531232 its reverse (232135415023512), we get a palindrome (447455929554744).

The spelling of 215320514531232 in words is "two hundred fifteen trillion, three hundred twenty billion, five hundred fourteen million, five hundred thirty-one thousand, two hundred thirty-two".