25235899145472 has 288 divisors, whose sum is σ = 74065958717184. Its totient is φ = 7594662297600.

The previous prime is 25235899145453. The next prime is 25235899145491. The reversal of 25235899145472 is 27454199853252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25235899145453) and next prime (25235899145491).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33930222 + ... + 34666002.

It is an arithmetic number, because the mean of its divisors is an integer number (257173467768).

Almost surely, 2^{25235899145472} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25235899145472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37032979358592).

25235899145472 is an abundant number, since it is smaller than the sum of its proper divisors (48830059571712).

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

25235899145472 is a wasteful number, since it uses less digits than its factorization.

25235899145472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735925 (or 735911 counting only the distinct ones).

The product of its digits is 217728000, while the sum is 66.

The spelling of 25235899145472 in words is "twenty-five trillion, two hundred thirty-five billion, eight hundred ninety-nine million, one hundred forty-five thousand, four hundred seventy-two".