215013325625 has 20 divisors (see below), whose sum is σ = 307063608192. Its totient is φ = 147437706000.

The previous prime is 215013325531. The next prime is 215013325643. The reversal of 215013325625 is 526523310512.

It is not a de Polignac number, because 215013325625 - 2¹⁶ = 215013260089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24568577 + ... + 24577326.

Almost surely, 2^215013325625 is an apocalyptic number.

215013325625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

215013325625 is a deficient number, since it is larger than the sum of its proper divisors (92050282567).

215013325625 is an frugal number, since it uses more digits than its factorization.

215013325625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49145930 (or 49145915 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 215013325625 in words is "two hundred fifteen billion, thirteen million, three hundred twenty-five thousand, six hundred twenty-five".