25005582803280 has 40 divisors (see below), whose sum is σ = 77517306690912. Its totient is φ = 6668155414144.

The previous prime is 25005582803251. The next prime is 25005582803317. The reversal of 25005582803280 is 8230828550052.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52094963934 + ... + 52094964413.

Almost surely, 2^{25005582803280} is an apocalyptic number.

25005582803280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25005582803280 is an abundant number, since it is smaller than the sum of its proper divisors (52511723887632).

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

25005582803280 is a wasteful number, since it uses less digits than its factorization.

25005582803280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104189928363 (or 104189928357 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 48.

It can be divided in two parts, 25005 and 582803280, that added together give a palindrome (582828285).

The spelling of 25005582803280 in words is "twenty-five trillion, five billion, five hundred eighty-two million, eight hundred three thousand, two hundred eighty".