25655113000 has 128 divisors (see below), whose sum is σ = 65828505600. Its totient is φ = 9280992000.

The previous prime is 25655112971. The next prime is 25655113007. The reversal of 25655113000 is 31155652.

It is a self number, because there is not a number n which added to its sum of digits gives 25655113000.

It is not an unprimeable number, because it can be changed into a prime (25655113007) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2161081 + ... + 2172919.

It is an arithmetic number, because the mean of its divisors is an integer number (514285200).

Almost surely, 2^25655113000 is an apocalyptic number.

25655113000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25655113000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32914252800).

25655113000 is an abundant number, since it is smaller than the sum of its proper divisors (40173392600).

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

25655113000 is a wasteful number, since it uses less digits than its factorization.

25655113000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12068 (or 12054 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 25655113000 its reverse (31155652), we get a palindrome (25686268652).

It can be divided in two parts, 2565511 and 3000, that added together give a triangular number (2568511 = T₂₂₆₆).

The spelling of 25655113000 in words is "twenty-five billion, six hundred fifty-five million, one hundred thirteen thousand".