215117452000 has 96 divisors (see below), whose sum is σ = 576593113824. Its totient is φ = 78224512000.

The previous prime is 215117451977. The next prime is 215117452051. The reversal of 215117452000 is 254711512.

It is a self number, because there is not a number n which added to its sum of digits gives 215117452000.

It is a congruent number.

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, 2400517 + ... + 2488516.

It is an arithmetic number, because the mean of its divisors is an integer number (6006178269).

Almost surely, 2^215117452000 is an apocalyptic number.

215117452000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215117452000 is an abundant number, since it is smaller than the sum of its proper divisors (361475661824).

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

215117452000 is a wasteful number, since it uses less digits than its factorization.

215117452000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4889069 (or 4889051 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The spelling of 215117452000 in words is "two hundred fifteen billion, one hundred seventeen million, four hundred fifty-two thousand".