215032263856 has 40 divisors (see below), whose sum is σ = 419710636800. Its totient is φ = 106720169280.

The previous prime is 215032263841. The next prime is 215032263857. The reversal of 215032263856 is 658362230512.

It is not an unprimeable number, because it can be changed into a prime (215032263857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16804821 + ... + 16817611.

It is an arithmetic number, because the mean of its divisors is an integer number (10492765920).

Almost surely, 2^215032263856 is an apocalyptic number.

It is an amenable number.

215032263856 is a deficient number, since it is larger than the sum of its proper divisors (204678372944).

215032263856 is a wasteful number, since it uses less digits than its factorization.

215032263856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20497 (or 20491 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 215032263856 in words is "two hundred fifteen billion, thirty-two million, two hundred sixty-three thousand, eight hundred fifty-six".