25085222475 has 24 divisors (see below), whose sum is σ = 42812116992. Its totient is φ = 12947210400.

The previous prime is 25085222453. The next prime is 25085222479. The reversal of 25085222475 is 57422258052.

It is not a de Polignac number, because 25085222475 - 2⁵ = 25085222443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25085222479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5392347 + ... + 5396996.

It is an arithmetic number, because the mean of its divisors is an integer number (1783838208).

Almost surely, 2^25085222475 is an apocalyptic number.

25085222475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25085222475 is a deficient number, since it is larger than the sum of its proper divisors (17726894517).

25085222475 is a wasteful number, since it uses less digits than its factorization.

25085222475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10789387 (or 10789382 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 42.

The spelling of 25085222475 in words is "twenty-five billion, eighty-five million, two hundred twenty-two thousand, four hundred seventy-five".