10215332125 has 32 divisors (see below), whose sum is σ = 13317467904. Its totient is φ = 7808468800.

The previous prime is 10215332123. The next prime is 10215332131. The reversal of 10215332125 is 52123351201.

It is not a de Polignac number, because 10215332125 - 2¹ = 10215332123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10215332125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10215332123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4377459 + ... + 4379791.

It is an arithmetic number, because the mean of its divisors is an integer number (416170872).

Almost surely, 2^10215332125 is an apocalyptic number.

It is an amenable number.

10215332125 is a deficient number, since it is larger than the sum of its proper divisors (3102135779).

10215332125 is a wasteful number, since it uses less digits than its factorization.

10215332125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894 (or 3884 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 10215332125 its reverse (52123351201), we get a palindrome (62338683326).

The spelling of 10215332125 in words is "ten billion, two hundred fifteen million, three hundred thirty-two thousand, one hundred twenty-five".