25131404315 has 8 divisors (see below), whose sum is σ = 30168792960. Its totient is φ = 20097718272.

The previous prime is 25131404279. The next prime is 25131404327. The reversal of 25131404315 is 51340413152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25131404315 - 2¹⁸ = 25131142171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910694 + ... + 937883.

It is an arithmetic number, because the mean of its divisors is an integer number (3771099120).

Almost surely, 2^25131404315 is an apocalyptic number.

25131404315 is a deficient number, since it is larger than the sum of its proper divisors (5037388645).

25131404315 is a wasteful number, since it uses less digits than its factorization.

25131404315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851301.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 25131404315 its reverse (51340413152), we get a palindrome (76471817467).

The spelling of 25131404315 in words is "twenty-five billion, one hundred thirty-one million, four hundred four thousand, three hundred fifteen".