25002790125 has 16 divisors (see below), whose sum is σ = 41604643392. Its totient is φ = 13334821200.

The previous prime is 25002790123. The next prime is 25002790129. The reversal of 25002790125 is 52109720052.

It is a happy number.

It is not a de Polignac number, because 25002790125 - 2¹ = 25002790123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25002790123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33336679 + ... + 33337428.

It is an arithmetic number, because the mean of its divisors is an integer number (2600290212).

Almost surely, 2^25002790125 is an apocalyptic number.

25002790125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25002790125 is a deficient number, since it is larger than the sum of its proper divisors (16601853267).

25002790125 is an equidigital number, since it uses as much as digits as its factorization.

25002790125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66674125 (or 66674115 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 25002790125 in words is "twenty-five billion, two million, seven hundred ninety thousand, one hundred twenty-five".