25055445351 has 4 divisors (see below), whose sum is σ = 33407260472. Its totient is φ = 16703630232.

The previous prime is 25055445329. The next prime is 25055445377. The reversal of 25055445351 is 15354455052.

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

It is not a de Polignac number, because 25055445351 - 2⁵ = 25055445319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25055445851) 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, 4175907556 + ... + 4175907561.

It is an arithmetic number, because the mean of its divisors is an integer number (8351815118).

Almost surely, 2^25055445351 is an apocalyptic number.

25055445351 is a deficient number, since it is larger than the sum of its proper divisors (8351815121).

25055445351 is an equidigital number, since it uses as much as digits as its factorization.

25055445351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8351815120.

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 25055445351 in words is "twenty-five billion, fifty-five million, four hundred forty-five thousand, three hundred fifty-one".