25140122353 has 4 divisors (see below), whose sum is σ = 25146085360. Its totient is φ = 25134159348.

The previous prime is 25140122351. The next prime is 25140122419. The reversal of 25140122353 is 35322104152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25140122353 - 2¹ = 25140122351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25140122351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2975175 + ... + 2983612.

It is an arithmetic number, because the mean of its divisors is an integer number (6286521340).

Almost surely, 2^25140122353 is an apocalyptic number.

It is an amenable number.

25140122353 is a deficient number, since it is larger than the sum of its proper divisors (5963007).

25140122353 is an equidigital number, since it uses as much as digits as its factorization.

25140122353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5963006.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 25140122353 in words is "twenty-five billion, one hundred forty million, one hundred twenty-two thousand, three hundred fifty-three".