25543259240072 has 16 divisors (see below), whose sum is σ = 54735555514560. Its totient is φ = 10947111102864.

The previous prime is 25543259240071. The next prime is 25543259240129. The reversal of 25543259240072 is 27004295234552.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25543259240072.

It is not an unprimeable number, because it can be changed into a prime (25543259240071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228064814588 + ... + 228064814699.

It is an arithmetic number, because the mean of its divisors is an integer number (3420972219660).

Almost surely, 2^{25543259240072} is an apocalyptic number.

It is an amenable number.

25543259240072 is an abundant number, since it is smaller than the sum of its proper divisors (29192296274488).

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

25543259240072 is a wasteful number, since it uses less digits than its factorization.

25543259240072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456129629300 (or 456129629296 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 25543259240072 in words is "twenty-five trillion, five hundred forty-three billion, two hundred fifty-nine million, two hundred forty thousand, seventy-two".