25275274870458 has 16 divisors (see below), whose sum is σ = 50558590304640. Its totient is φ = 8423751529536.

The previous prime is 25275274870451. The next prime is 25275274870481. The reversal of 25275274870458 is 85407847257252.

It is a super-3 number, since 3×25275274870458³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25275274870451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334982623 + ... + 335058066.

It is an arithmetic number, because the mean of its divisors is an integer number (3159911894040).

Almost surely, 2^{25275274870458} is an apocalyptic number.

25275274870458 is an abundant number, since it is smaller than the sum of its proper divisors (25283315434182).

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

25275274870458 is a wasteful number, since it uses less digits than its factorization.

25275274870458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670046981.

The product of its (nonzero) digits is 351232000, while the sum is 66.

The spelling of 25275274870458 in words is "twenty-five trillion, two hundred seventy-five billion, two hundred seventy-four million, eight hundred seventy thousand, four hundred fifty-eight".