25111514225 has 24 divisors (see below), whose sum is σ = 35594739648. Its totient is φ = 17215387200.

The previous prime is 25111514213. The next prime is 25111514273. The reversal of 25111514225 is 52241511152.

It is not a de Polignac number, because 25111514225 - 2⁴ = 25111514209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 895670 + ... + 923280.

It is an arithmetic number, because the mean of its divisors is an integer number (1483114152).

Almost surely, 2^25111514225 is an apocalyptic number.

25111514225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25111514225 is a deficient number, since it is larger than the sum of its proper divisors (10483225423).

25111514225 is a wasteful number, since it uses less digits than its factorization.

25111514225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32825 (or 32820 counting only the distinct ones).

The product of its digits is 4000, while the sum is 29.

The spelling of 25111514225 in words is "twenty-five billion, one hundred eleven million, five hundred fourteen thousand, two hundred twenty-five".