25832551057 has 4 divisors (see below), whose sum is σ = 25838287216. Its totient is φ = 25826814900.

The previous prime is 25832551033. The next prime is 25832551103. The reversal of 25832551057 is 75015523852.

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 25832551057 - 2¹⁹ = 25832026769 is a prime.

It is a super-2 number, since 2×25832551057² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25832551027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2861319 + ... + 2870332.

It is an arithmetic number, because the mean of its divisors is an integer number (6459571804).

Almost surely, 2^25832551057 is an apocalyptic number.

It is an amenable number.

25832551057 is a deficient number, since it is larger than the sum of its proper divisors (5736159).

25832551057 is an equidigital number, since it uses as much as digits as its factorization.

25832551057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5736158.

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 25832551057 in words is "twenty-five billion, eight hundred thirty-two million, five hundred fifty-one thousand, fifty-seven".