215700560652 has 24 divisors (see below), whose sum is σ = 503723220336. Its totient is φ = 71839913728.

The previous prime is 215700560633. The next prime is 215700560689. The reversal of 215700560652 is 256065007512.

It is a self number, because there is not a number n which added to its sum of digits gives 215700560652.

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, 7519233 + ... + 7547864.

It is an arithmetic number, because the mean of its divisors is an integer number (20988467514).

Almost surely, 2^215700560652 is an apocalyptic number.

It is an amenable number.

215700560652 is an abundant number, since it is smaller than the sum of its proper divisors (288022659684).

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

215700560652 is a wasteful number, since it uses less digits than its factorization.

215700560652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15068297 (or 15068295 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 215700560652 in words is "two hundred fifteen billion, seven hundred million, five hundred sixty thousand, six hundred fifty-two".