215413156325 has 12 divisors (see below), whose sum is σ = 267152633280. Its totient is φ = 172304512560.

The previous prime is 215413156303. The next prime is 215413156349. The reversal of 215413156325 is 523651314512.

It is not a de Polignac number, because 215413156325 - 2²⁰ = 215412107749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480509 + ... + 813458.

It is an arithmetic number, because the mean of its divisors is an integer number (22262719440).

Almost surely, 2^215413156325 is an apocalyptic number.

215413156325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

215413156325 is a deficient number, since it is larger than the sum of its proper divisors (51739476955).

215413156325 is a wasteful number, since it uses less digits than its factorization.

215413156325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300636 (or 1300631 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

The spelling of 215413156325 in words is "two hundred fifteen billion, four hundred thirteen million, one hundred fifty-six thousand, three hundred twenty-five".