215013433152 has 84 divisors (see below), whose sum is σ = 661769689920. Its totient is φ = 61432406784.

The previous prime is 215013433097. The next prime is 215013433163. The reversal of 215013433152 is 251334310512.

It is a tau number, because it is divible by the number of its divisors (84).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11417752 + ... + 11436567.

Almost surely, 2^215013433152 is an apocalyptic number.

It is an amenable number.

215013433152 is an abundant number, since it is smaller than the sum of its proper divisors (446756256768).

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

215013433152 is a wasteful number, since it uses less digits than its factorization.

215013433152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22854348 (or 22854331 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 215013433152 its reverse (251334310512), we get a palindrome (466347743664).

The spelling of 215013433152 in words is "two hundred fifteen billion, thirteen million, four hundred thirty-three thousand, one hundred fifty-two".