25280797725883 has 24 divisors (see below), whose sum is σ = 29461534062480. Its totient is φ = 21630044943360.

The previous prime is 25280797725881. The next prime is 25280797725889. The reversal of 25280797725883 is 38852779708252.

It is not a de Polignac number, because 25280797725883 - 2¹ = 25280797725881 is a prime.

It is a super-2 number, since 2×25280797725883² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25280797725881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63881163 + ... + 64275691.

It is an arithmetic number, because the mean of its divisors is an integer number (1227563919270).

Almost surely, 2^{25280797725883} is an apocalyptic number.

25280797725883 is a deficient number, since it is larger than the sum of its proper divisors (4180736336597).

25280797725883 is a wasteful number, since it uses less digits than its factorization.

25280797725883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396907 (or 396900 counting only the distinct ones).

The product of its (nonzero) digits is 948326400, while the sum is 73.

The spelling of 25280797725883 in words is "twenty-five trillion, two hundred eighty billion, seven hundred ninety-seven million, seven hundred twenty-five thousand, eight hundred eighty-three".