25153522000 has 80 divisors (see below), whose sum is σ = 60906673152. Its totient is φ = 10047273600.

The previous prime is 25153521989. The next prime is 25153522007. The reversal of 25153522000 is 22535152.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25153522007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1477537 + ... + 1494463.

Almost surely, 2^25153522000 is an apocalyptic number.

25153522000 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 25153522000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30453336576).

25153522000 is an abundant number, since it is smaller than the sum of its proper divisors (35753151152).

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

25153522000 is a wasteful number, since it uses less digits than its factorization.

25153522000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17693 (or 17677 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 25153522000 in words is "twenty-five billion, one hundred fifty-three million, five hundred twenty-two thousand".