25361496188 has 96 divisors (see below), whose sum is σ = 52702828416. Its totient is φ = 10454925312.

The previous prime is 25361496187. The next prime is 25361496217. The reversal of 25361496188 is 88169416352.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25361496187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20907470 + ... + 20908682.

It is an arithmetic number, because the mean of its divisors is an integer number (548987796).

Almost surely, 2^25361496188 is an apocalyptic number.

25361496188 is a gapful number since it is divisible by the number (28) 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 25361496188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26351414208).

25361496188 is an abundant number, since it is smaller than the sum of its proper divisors (27341332228).

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

25361496188 is a wasteful number, since it uses less digits than its factorization.

25361496188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1541 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The spelling of 25361496188 in words is "twenty-five billion, three hundred sixty-one million, four hundred ninety-six thousand, one hundred eighty-eight".