215134324552 has 16 divisors (see below), whose sum is σ = 461002124160. Its totient is φ = 92200424784.

The previous prime is 215134324543. The next prime is 215134324579. The reversal of 215134324552 is 255423431512.

It is a happy number.

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, 1920842128 + ... + 1920842239.

It is an arithmetic number, because the mean of its divisors is an integer number (28812632760).

Almost surely, 2^215134324552 is an apocalyptic number.

It is an amenable number.

215134324552 is an abundant number, since it is smaller than the sum of its proper divisors (245867799608).

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

215134324552 is a wasteful number, since it uses less digits than its factorization.

215134324552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841684380 (or 3841684376 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The spelling of 215134324552 in words is "two hundred fifteen billion, one hundred thirty-four million, three hundred twenty-four thousand, five hundred fifty-two".