25258155831216 has 720 divisors, whose sum is σ = 93221095968000. Its totient is φ = 6546824040960.

The previous prime is 25258155831151. The next prime is 25258155831277. The reversal of 25258155831216 is 61213855185252.

25258155831216 is a `hidden beast` number, since 2 + 5 + 2 + 5 + 81 + 558 + 3 + 1 + 2 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1020560410 + ... + 1020585158.

It is an arithmetic number, because the mean of its divisors is an integer number (129473744400).

Almost surely, 2^{25258155831216} 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 25258155831216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46610547984000).

25258155831216 is an abundant number, since it is smaller than the sum of its proper divisors (67962940136784).

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

25258155831216 is a wasteful number, since it uses less digits than its factorization.

25258155831216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25284 (or 25259 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 54.

The spelling of 25258155831216 in words is "twenty-five trillion, two hundred fifty-eight billion, one hundred fifty-five million, eight hundred thirty-one thousand, two hundred sixteen".