215427145592 has 32 divisors (see below), whose sum is σ = 405739601280. Its totient is φ = 107230103040.

The previous prime is 215427145573. The next prime is 215427145603. The reversal of 215427145592 is 295541724512.

It is a congruent number.

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, 14127092 + ... + 14142332.

It is an arithmetic number, because the mean of its divisors is an integer number (12679362540).

Almost surely, 2^215427145592 is an apocalyptic number.

It is an amenable number.

215427145592 is a deficient number, since it is larger than the sum of its proper divisors (190312455688).

215427145592 is a wasteful number, since it uses less digits than its factorization.

215427145592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23063 (or 23059 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 47.

The spelling of 215427145592 in words is "two hundred fifteen billion, four hundred twenty-seven million, one hundred forty-five thousand, five hundred ninety-two".