25198530357000 has 3072 divisors, whose sum is σ = 111580287436800. Its totient is φ = 4602064896000.

The previous prime is 25198530356939. The next prime is 25198530357043. The reversal of 25198530357000 is 75303589152.

It is an unprimeable number.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 64777712806 + ... + 64777713194.

It is an arithmetic number, because the mean of its divisors is an integer number (36321708150).

Almost surely, 2^{25198530357000} is an apocalyptic number.

25198530357000 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 25198530357000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55790143718400).

25198530357000 is an abundant number, since it is smaller than the sum of its proper divisors (86381757079800).

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

25198530357000 is a wasteful number, since it uses less digits than its factorization.

25198530357000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 25198530357000 in words is "twenty-five trillion, one hundred ninety-eight billion, five hundred thirty million, three hundred fifty-seven thousand".