25125515422 has 64 divisors (see below), whose sum is σ = 45472057344. Its totient is φ = 10179671040.

The previous prime is 25125515419. The next prime is 25125515423. The reversal of 25125515422 is 22451552152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25125515423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16627647 + ... + 16629157.

It is an arithmetic number, because the mean of its divisors is an integer number (710500896).

Almost surely, 2^25125515422 is an apocalyptic number.

25125515422 is a deficient number, since it is larger than the sum of its proper divisors (20346541922).

25125515422 is a wasteful number, since it uses less digits than its factorization.

25125515422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113.

The product of its digits is 40000, while the sum is 34.

The spelling of 25125515422 in words is "twenty-five billion, one hundred twenty-five million, five hundred fifteen thousand, four hundred twenty-two".