25004623555272 has 32 divisors (see below), whose sum is σ = 62512675138080. Its totient is φ = 8334725685120.

The previous prime is 25004623555123. The next prime is 25004623555279. The reversal of 25004623555272 is 27255532640052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25004623555279) 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, 7925893 + ... + 10622100.

It is an arithmetic number, because the mean of its divisors is an integer number (1953521098065).

Almost surely, 2^{25004623555272} is an apocalyptic number.

It is an amenable number.

25004623555272 is an abundant number, since it is smaller than the sum of its proper divisors (37508051582808).

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

25004623555272 is a wasteful number, since it uses less digits than its factorization.

25004623555272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18604173 (or 18604169 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 48.

The spelling of 25004623555272 in words is "twenty-five trillion, four billion, six hundred twenty-three million, five hundred fifty-five thousand, two hundred seventy-two".