25110009425 has 6 divisors (see below), whose sum is σ = 31136411718. Its totient is φ = 20088007520.

The previous prime is 25110009383. The next prime is 25110009451. The reversal of 25110009425 is 52490001152.

It can be written as a sum of positive squares in 3 ways, for example, as 933180304 + 24176829121 = 30548^2 + 155489^2 .

It is not a de Polignac number, because 25110009425 - 2²² = 25105815121 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 502200164 + ... + 502200213.

It is an arithmetic number, because the mean of its divisors is an integer number (5189401953).

Almost surely, 2^25110009425 is an apocalyptic number.

25110009425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25110009425 is a deficient number, since it is larger than the sum of its proper divisors (6026402293).

25110009425 is a wasteful number, since it uses less digits than its factorization.

25110009425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004400387 (or 1004400382 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 25110009425 in words is "twenty-five billion, one hundred ten million, nine thousand, four hundred twenty-five".