215315125700 has 18 divisors (see below), whose sum is σ = 467233822986. Its totient is φ = 86126050240.

The previous prime is 215315125687. The next prime is 215315125717. The reversal of 215315125700 is 7521513512.

It can be written as a sum of positive squares in 3 ways, for example, as 308564356 + 215006561344 = 17566^2 + 463688^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1076575529 + ... + 1076575728.

Almost surely, 2^215315125700 is an apocalyptic number.

215315125700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215315125700 is an abundant number, since it is smaller than the sum of its proper divisors (251918697286).

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

215315125700 is a wasteful number, since it uses less digits than its factorization.

215315125700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153151271 (or 2153151264 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 32.

The spelling of 215315125700 in words is "two hundred fifteen billion, three hundred fifteen million, one hundred twenty-five thousand, seven hundred".