25116010025 has 6 divisors (see below), whose sum is σ = 31143852462. Its totient is φ = 20092808000.

The previous prime is 25116009953. The next prime is 25116010033. The reversal of 25116010025 is 52001061152.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19430464 + 25096579561 = 4408^2 + 158419^2 .

It is not a de Polignac number, because 25116010025 - 2¹⁴ = 25115993641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 502320176 + ... + 502320225.

It is an arithmetic number, because the mean of its divisors is an integer number (5190642077).

Almost surely, 2^25116010025 is an apocalyptic number.

25116010025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25116010025 is a deficient number, since it is larger than the sum of its proper divisors (6027842437).

25116010025 is a wasteful number, since it uses less digits than its factorization.

25116010025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004640411 (or 1004640406 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 25116010025 its reverse (52001061152), we get a palindrome (77117071177).

The spelling of 25116010025 in words is "twenty-five billion, one hundred sixteen million, ten thousand, twenty-five".