25685150000 has 180 divisors, whose sum is σ = 65694482784. Its totient is φ = 9726480000.

The previous prime is 25685149979. The next prime is 25685150089. The reversal of 25685150000 is 5158652.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18049289 + ... + 18050711.

Almost surely, 2^25685150000 is an apocalyptic number.

25685150000 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 25685150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32847241392).

25685150000 is an abundant number, since it is smaller than the sum of its proper divisors (40009332784).

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

25685150000 is an equidigital number, since it uses as much as digits as its factorization.

25685150000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 25685150000 in words is "twenty-five billion, six hundred eighty-five million, one hundred fifty thousand".