25080355889 has 4 divisors (see below), whose sum is σ = 26400374640. Its totient is φ = 23760337140.

The previous prime is 25080355849. The next prime is 25080355907. The reversal of 25080355889 is 98855308052.

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 not a de Polignac number, because 25080355889 - 2⁸ = 25080355633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25080355889.

It is not an unprimeable number, because it can be changed into a prime (25080355829) 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, 660009347 + ... + 660009384.

It is an arithmetic number, because the mean of its divisors is an integer number (6600093660).

Almost surely, 2^25080355889 is an apocalyptic number.

It is an amenable number.

25080355889 is a deficient number, since it is larger than the sum of its proper divisors (1320018751).

25080355889 is a wasteful number, since it uses less digits than its factorization.

25080355889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320018750.

The product of its (nonzero) digits is 3456000, while the sum is 53.

The spelling of 25080355889 in words is "twenty-five billion, eighty million, three hundred fifty-five thousand, eight hundred eighty-nine".