25112701920 has 192 divisors, whose sum is σ = 84574264320. Its totient is φ = 6241394688.

The previous prime is 25112701919. The next prime is 25112701927. The reversal of 25112701920 is 2910721152.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25112701927) 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, 825541 + ... + 855419.

It is an arithmetic number, because the mean of its divisors is an integer number (440490960).

Almost surely, 2^25112701920 is an apocalyptic number.

25112701920 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 25112701920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42287132160).

25112701920 is an abundant number, since it is smaller than the sum of its proper divisors (59461562400).

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

25112701920 is a wasteful number, since it uses less digits than its factorization.

25112701920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30017 (or 30009 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The spelling of 25112701920 in words is "twenty-five billion, one hundred twelve million, seven hundred one thousand, nine hundred twenty".