25828255057 has 16 divisors (see below), whose sum is σ = 30168936000. Its totient is φ = 21850723840.

The previous prime is 25828255021. The next prime is 25828255067. The reversal of 25828255057 is 75055282852.

It is not a de Polignac number, because 25828255057 - 2⁷ = 25828254929 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 25828255057.

It is not an unprimeable number, because it can be changed into a prime (25828255067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759307 + ... + 792592.

It is an arithmetic number, because the mean of its divisors is an integer number (1885558500).

Almost surely, 2^25828255057 is an apocalyptic number.

It is an amenable number.

25828255057 is a deficient number, since it is larger than the sum of its proper divisors (4340680943).

25828255057 is a wasteful number, since it uses less digits than its factorization.

25828255057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552016.

The product of its (nonzero) digits is 2240000, while the sum is 49.

The spelling of 25828255057 in words is "twenty-five billion, eight hundred twenty-eight million, two hundred fifty-five thousand, fifty-seven".