25041717852 has 24 divisors (see below), whose sum is σ = 59134661376. Its totient is φ = 8246669808.

The previous prime is 25041717851. The next prime is 25041717949. The reversal of 25041717852 is 25871714052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25041717851) by changing a digit.

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, 12570148 + ... + 12572139.

It is an arithmetic number, because the mean of its divisors is an integer number (2463944224).

Almost surely, 2^25041717852 is an apocalyptic number.

It is an amenable number.

25041717852 is an abundant number, since it is smaller than the sum of its proper divisors (34092943524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25041717852 is a wasteful number, since it uses less digits than its factorization.

25041717852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25142377 (or 25142375 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The spelling of 25041717852 in words is "twenty-five billion, forty-one million, seven hundred seventeen thousand, eight hundred fifty-two".