25242210255000 has 160 divisors (see below), whose sum is σ = 78866054784000. Its totient is φ = 6730454544000.

The previous prime is 25242210254977. The next prime is 25242210255061. The reversal of 25242210255000 is 55201224252.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 131649201 + ... + 131840799.

It is an arithmetic number, because the mean of its divisors is an integer number (492912842400).

Almost surely, 2^{25242210255000} is an apocalyptic number.

25242210255000 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 25242210255000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39433027392000).

25242210255000 is an abundant number, since it is smaller than the sum of its proper divisors (53623844529000).

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

25242210255000 is a wasteful number, since it uses less digits than its factorization.

25242210255000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200411 (or 200392 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 25242210255000 its reverse (55201224252), we get a palindrome (25297411479252).

The spelling of 25242210255000 in words is "twenty-five trillion, two hundred forty-two billion, two hundred ten million, two hundred fifty-five thousand".