25873537355 has 4 divisors (see below), whose sum is σ = 31048244832. Its totient is φ = 20698829880.

The previous prime is 25873537321. The next prime is 25873537363. The reversal of 25873537355 is 55373537852.

It is a happy number.

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

It is not a de Polignac number, because 25873537355 - 2³² = 21578570059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25873537297 and 25873537306.

It is an unprimeable number.

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, 2587353731 + ... + 2587353740.

It is an arithmetic number, because the mean of its divisors is an integer number (7762061208).

Almost surely, 2^25873537355 is an apocalyptic number.

25873537355 is a deficient number, since it is larger than the sum of its proper divisors (5174707477).

25873537355 is an equidigital number, since it uses as much as digits as its factorization.

25873537355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174707476.

The product of its digits is 13230000, while the sum is 53.

The spelling of 25873537355 in words is "twenty-five billion, eight hundred seventy-three million, five hundred thirty-seven thousand, three hundred fifty-five".