25305025050280 has 16 divisors (see below), whose sum is σ = 56936306363220. Its totient is φ = 10122010020096.

The previous prime is 25305025050259. The next prime is 25305025050301. The reversal of 25305025050280 is 8205052050352.

It is an interprime number because it is at equal distance from previous prime (25305025050259) and next prime (25305025050301).

It can be written as a sum of positive squares in 2 ways, for example, as 24226654955364 + 1078370094916 = 4922058^2 + 1038446^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316312813089 + ... + 316312813168.

Almost surely, 2^{25305025050280} is an apocalyptic number.

25305025050280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25305025050280 is an abundant number, since it is smaller than the sum of its proper divisors (31631281312940).

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

25305025050280 is a wasteful number, since it uses less digits than its factorization.

25305025050280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632625626268 (or 632625626264 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 25305025050280 in words is "twenty-five trillion, three hundred five billion, twenty-five million, fifty thousand, two hundred eighty".