25110042452 has 36 divisors (see below), whose sum is σ = 49605970260. Its totient is φ = 11105170560.

The previous prime is 25110042427. The next prime is 25110042469. The reversal of 25110042452 is 25424001152.

It can be written as a sum of positive squares in 2 ways, for example, as 22235581456 + 2874460996 = 149116^2 + 53614^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 683177 + ... + 718992.

Almost surely, 2^25110042452 is an apocalyptic number.

25110042452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25110042452 is a deficient number, since it is larger than the sum of its proper divisors (24495927808).

25110042452 is a wasteful number, since it uses less digits than its factorization.

25110042452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402232 (or 1402219 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 25110042452 in words is "twenty-five billion, one hundred ten million, forty-two thousand, four hundred fifty-two".