25812543752 has 32 divisors (see below), whose sum is σ = 49227340800. Its totient is φ = 12687119424.

The previous prime is 25812543751. The next prime is 25812543781. The reversal of 25812543752 is 25734521852.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25812543751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5798 + ... + 227285.

It is an arithmetic number, because the mean of its divisors is an integer number (1538354400).

Almost surely, 2^25812543752 is an apocalyptic number.

It is an amenable number.

25812543752 is a deficient number, since it is larger than the sum of its proper divisors (23414797048).

25812543752 is a wasteful number, since it uses less digits than its factorization.

25812543752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233325 (or 233321 counting only the distinct ones).

The product of its digits is 672000, while the sum is 44.

The spelling of 25812543752 in words is "twenty-five billion, eight hundred twelve million, five hundred forty-three thousand, seven hundred fifty-two".