25098495552 has 252 divisors, whose sum is σ = 78802329060. Its totient is φ = 7633207296.

The previous prime is 25098495503. The next prime is 25098495563. The reversal of 25098495552 is 25559489052.

25098495552 is a `hidden beast` number, since 2 + 5 + 0 + 9 + 84 + 9 + 5 + 552 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 12352988736 + 12745506816 = 111144^2 + 112896^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8662168 + ... + 8665064.

It is an arithmetic number, because the mean of its divisors is an integer number (312707655).

Almost surely, 2^25098495552 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 25098495552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39401164530).

25098495552 is an abundant number, since it is smaller than the sum of its proper divisors (53703833508).

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

25098495552 is a wasteful number, since it uses less digits than its factorization.

25098495552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030 (or 3004 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 54.

The spelling of 25098495552 in words is "twenty-five billion, ninety-eight million, four hundred ninety-five thousand, five hundred fifty-two".