25745422355 has 4 divisors (see below), whose sum is σ = 30894506832. Its totient is φ = 20596337880.

The previous prime is 25745422349. The next prime is 25745422361. The reversal of 25745422355 is 55322454752.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25745422349) and next prime (25745422361).

It is not a de Polignac number, because 25745422355 - 2⁸ = 25745422099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2574542231 + ... + 2574542240.

It is an arithmetic number, because the mean of its divisors is an integer number (7723626708).

Almost surely, 2^25745422355 is an apocalyptic number.

25745422355 is a deficient number, since it is larger than the sum of its proper divisors (5149084477).

25745422355 is an equidigital number, since it uses as much as digits as its factorization.

25745422355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149084476.

The product of its digits is 1680000, while the sum is 44.

The spelling of 25745422355 in words is "twenty-five billion, seven hundred forty-five million, four hundred twenty-two thousand, three hundred fifty-five".