215513122532 has 12 divisors (see below), whose sum is σ = 382459908096. Its totient is φ = 106238863080.

The previous prime is 215513122529. The next prime is 215513122571. The reversal of 215513122532 is 235221315512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379424228 + ... + 379424795.

It is an arithmetic number, because the mean of its divisors is an integer number (31871659008).

Almost surely, 2^215513122532 is an apocalyptic number.

It is an amenable number.

215513122532 is a deficient number, since it is larger than the sum of its proper divisors (166946785564).

215513122532 is a wasteful number, since it uses less digits than its factorization.

215513122532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758849098 (or 758849096 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The spelling of 215513122532 in words is "two hundred fifteen billion, five hundred thirteen million, one hundred twenty-two thousand, five hundred thirty-two".