10215917125 has 16 divisors (see below), whose sum is σ = 12939765696. Its totient is φ = 8050746000.

The previous prime is 10215917077. The next prime is 10215917141. The reversal of 10215917125 is 52171951201.

It is a happy number.

It is not a de Polignac number, because 10215917125 - 2¹³ = 10215908933 is a prime.

It is a Duffinian number.

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, 601531 + ... + 618280.

It is an arithmetic number, because the mean of its divisors is an integer number (808735356).

Almost surely, 2^10215917125 is an apocalyptic number.

It is an amenable number.

10215917125 is a deficient number, since it is larger than the sum of its proper divisors (2723848571).

10215917125 is an equidigital number, since it uses as much as digits as its factorization.

10215917125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219893 (or 1219883 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 34.

The spelling of 10215917125 in words is "ten billion, two hundred fifteen million, nine hundred seventeen thousand, one hundred twenty-five".