25252479955 has 8 divisors (see below), whose sum is σ = 30686558400. Its totient is φ = 19946262336.

The previous prime is 25252479943. The next prime is 25252479961. The reversal of 25252479955 is 55997425252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25252479955 - 2⁷ = 25252479827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25252479896 and 25252479905.

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 7 ways as a sum of consecutive naturals, for example, 31964770 + ... + 31965559.

It is an arithmetic number, because the mean of its divisors is an integer number (3835819800).

Almost surely, 2^25252479955 is an apocalyptic number.

25252479955 is a deficient number, since it is larger than the sum of its proper divisors (5434078445).

25252479955 is an equidigital number, since it uses as much as digits as its factorization.

25252479955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63930413.

The product of its digits is 11340000, while the sum is 55.

The spelling of 25252479955 in words is "twenty-five billion, two hundred fifty-two million, four hundred seventy-nine thousand, nine hundred fifty-five".