25013006315125 has 32 divisors (see below), whose sum is σ = 31647572577504. Its totient is φ = 19733969088000.

The previous prime is 25013006315111. The next prime is 25013006315197. The reversal of 25013006315125 is 52151360031052.

It can be written as a sum of positive squares in 16 ways, for example, as 23487815894929 + 1525190420196 = 4846423^2 + 1234986^2 .

It is not a de Polignac number, because 25013006315125 - 2⁵ = 25013006315093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79604827 + ... + 79918423.

It is an arithmetic number, because the mean of its divisors is an integer number (988986643047).

Almost surely, 2^{25013006315125} is an apocalyptic number.

25013006315125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25013006315125 is a deficient number, since it is larger than the sum of its proper divisors (6634566262379).

25013006315125 is an equidigital number, since it uses as much as digits as its factorization.

25013006315125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322426 (or 322416 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 25013006315125 its reverse (52151360031052), we get a palindrome (77164366346177).

The spelling of 25013006315125 in words is "twenty-five trillion, thirteen billion, six million, three hundred fifteen thousand, one hundred twenty-five".