25287312410880 has 864 divisors, whose sum is σ = 92874119184000. Its totient is φ = 5844452769792.

The previous prime is 25287312410879. The next prime is 25287312410947. The reversal of 25287312410880 is 8801421378252.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1393308046 + ... + 1393326194.

It is an arithmetic number, because the mean of its divisors is an integer number (107493193500).

Almost surely, 2^{25287312410880} is an apocalyptic number.

25287312410880 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 25287312410880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46437059592000).

25287312410880 is an abundant number, since it is smaller than the sum of its proper divisors (67586806773120).

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

25287312410880 is a wasteful number, since it uses less digits than its factorization.

25287312410880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18331 (or 18304 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 25287312410880 in words is "twenty-five trillion, two hundred eighty-seven billion, three hundred twelve million, four hundred ten thousand, eight hundred eighty".