215016056332 has 24 divisors (see below), whose sum is σ = 469125941760. Its totient is φ = 83772489360.

The previous prime is 215016056309. The next prime is 215016056351. The reversal of 215016056332 is 233650610512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349051732 + ... + 349052347.

It is an arithmetic number, because the mean of its divisors is an integer number (19546914240).

Almost surely, 2^215016056332 is an apocalyptic number.

215016056332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

215016056332 is an abundant number, since it is smaller than the sum of its proper divisors (254109885428).

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

215016056332 is a wasteful number, since it uses less digits than its factorization.

215016056332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698104101 (or 698104099 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 215016056332 its reverse (233650610512), we get a palindrome (448666666844).

The spelling of 215016056332 in words is "two hundred fifteen billion, sixteen million, fifty-six thousand, three hundred thirty-two".