215134979304 has 64 divisors (see below), whose sum is σ = 614737059840. Its totient is φ = 61460568000.

The previous prime is 215134979291. The next prime is 215134979317. The reversal of 215134979304 is 403979431512.

It is an interprime number because it is at equal distance from previous prime (215134979291) and next prime (215134979317).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1633929 + ... + 1760679.

It is an arithmetic number, because the mean of its divisors is an integer number (9605266560).

Almost surely, 2^215134979304 is an apocalyptic number.

215134979304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

215134979304 is an abundant number, since it is smaller than the sum of its proper divisors (399602080536).

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

215134979304 is a wasteful number, since it uses less digits than its factorization.

215134979304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136870 (or 136866 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 215134979304 in words is "two hundred fifteen billion, one hundred thirty-four million, nine hundred seventy-nine thousand, three hundred four".