215274925272 has 32 divisors (see below), whose sum is σ = 587113433280. Its totient is φ = 65234825760.

The previous prime is 215274925241. The next prime is 215274925291. The reversal of 215274925272 is 272529472512.

215274925272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407717398 + ... + 407717925.

It is an arithmetic number, because the mean of its divisors is an integer number (18347294790).

Almost surely, 2^215274925272 is an apocalyptic number.

215274925272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

215274925272 is an abundant number, since it is smaller than the sum of its proper divisors (371838508008).

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

215274925272 is a wasteful number, since it uses less digits than its factorization.

215274925272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815435343 (or 815435339 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 48.

The spelling of 215274925272 in words is "two hundred fifteen billion, two hundred seventy-four million, nine hundred twenty-five thousand, two hundred seventy-two".