25125244415 has 12 divisors (see below), whose sum is σ = 31820671944. Its totient is φ = 19042289136.

The previous prime is 25125244393. The next prime is 25125244423. The reversal of 25125244415 is 51444252152.

It is not a de Polignac number, because 25125244415 - 2¹⁰ = 25125243391 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 (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6958097 + ... + 6961706.

It is an arithmetic number, because the mean of its divisors is an integer number (2651722662).

Almost surely, 2^25125244415 is an apocalyptic number.

25125244415 is a deficient number, since it is larger than the sum of its proper divisors (6695427529).

25125244415 is a wasteful number, since it uses less digits than its factorization.

25125244415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13919846 (or 13919827 counting only the distinct ones).

The product of its digits is 64000, while the sum is 35.

Adding to 25125244415 its reverse (51444252152), we get a palindrome (76569496567).

The spelling of 25125244415 in words is "twenty-five billion, one hundred twenty-five million, two hundred forty-four thousand, four hundred fifteen".