25674438571211 has 4 divisors (see below), whose sum is σ = 25755430491312. Its totient is φ = 25593446651112.

The previous prime is 25674438571189. The next prime is 25674438571241. The reversal of 25674438571211 is 11217583447652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25674438571211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25674438571241) 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, 40495959575 + ... + 40495960208.

It is an arithmetic number, because the mean of its divisors is an integer number (6438857622828).

Almost surely, 2^{25674438571211} is an apocalyptic number.

25674438571211 is a deficient number, since it is larger than the sum of its proper divisors (80991920101).

25674438571211 is an equidigital number, since it uses as much as digits as its factorization.

25674438571211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80991920100.

The product of its digits is 11289600, while the sum is 56.

The spelling of 25674438571211 in words is "twenty-five trillion, six hundred seventy-four billion, four hundred thirty-eight million, five hundred seventy-one thousand, two hundred eleven".