25101265280 has 384 divisors, whose sum is σ = 78472255680. Its totient is φ = 7595900928.

The previous prime is 25101265249. The next prime is 25101265297. The reversal of 25101265280 is 8256210152.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9375302 + ... + 9377978.

Almost surely, 2^25101265280 is an apocalyptic number.

25101265280 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 25101265280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39236127840).

25101265280 is an abundant number, since it is smaller than the sum of its proper divisors (53370990400).

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

25101265280 is a wasteful number, since it uses less digits than its factorization.

25101265280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746 (or 2727 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 25101265280 in words is "twenty-five billion, one hundred one million, two hundred sixty-five thousand, two hundred eighty".