25478556170941 has 4 divisors (see below), whose sum is σ = 25486260606112. Its totient is φ = 25470851735772.

The previous prime is 25478556170927. The next prime is 25478556170953. The reversal of 25478556170941 is 14907165587452.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25478556170941 - 2²⁷ = 25478421953213 is a prime.

It is a super-2 number, since 2×25478556170941² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25478556170341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3852212625 + ... + 3852219238.

It is an arithmetic number, because the mean of its divisors is an integer number (6371565151528).

Almost surely, 2^{25478556170941} is an apocalyptic number.

It is an amenable number.

25478556170941 is a deficient number, since it is larger than the sum of its proper divisors (7704435171).

25478556170941 is an equidigital number, since it uses as much as digits as its factorization.

25478556170941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7704435170.

The product of its (nonzero) digits is 84672000, while the sum is 64.

The spelling of 25478556170941 in words is "twenty-five trillion, four hundred seventy-eight billion, five hundred fifty-six million, one hundred seventy thousand, nine hundred forty-one".