25131222400245 has 16 divisors (see below), whose sum is σ = 43303029366912. Its totient is φ = 12372294104640.

The previous prime is 25131222400231. The next prime is 25131222400337. The reversal of 25131222400245 is 54200422213152.

It is not a de Polignac number, because 25131222400245 - 2⁷ = 25131222400117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64439031601 + ... + 64439031990.

It is an arithmetic number, because the mean of its divisors is an integer number (2706439335432).

Almost surely, 2^{25131222400245} is an apocalyptic number.

It is an amenable number.

25131222400245 is a deficient number, since it is larger than the sum of its proper divisors (18171806966667).

25131222400245 is a wasteful number, since it uses less digits than its factorization.

25131222400245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128878063612.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 25131222400245 its reverse (54200422213152), we get a palindrome (79331644613397).

The spelling of 25131222400245 in words is "twenty-five trillion, one hundred thirty-one billion, two hundred twenty-two million, four hundred thousand, two hundred forty-five".