25343112213 has 12 divisors (see below), whose sum is σ = 36611658720. Its totient is φ = 16893127656.

The previous prime is 25343112211. The next prime is 25343112227. The reversal of 25343112213 is 31221134352.

25343112213 is a `hidden beast` number, since 2 + 5 + 3 + 431 + 1 + 221 + 3 = 666.

It is not a de Polignac number, because 25343112213 - 2¹ = 25343112211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25343112211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118231 + ... + 254292.

It is an arithmetic number, because the mean of its divisors is an integer number (3050971560).

Almost surely, 2^25343112213 is an apocalyptic number.

It is an amenable number.

25343112213 is a deficient number, since it is larger than the sum of its proper divisors (11268546507).

25343112213 is a wasteful number, since it uses less digits than its factorization.

25343112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380088 (or 380085 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

Adding to 25343112213 its reverse (31221134352), we get a palindrome (56564246565).

The spelling of 25343112213 in words is "twenty-five billion, three hundred forty-three million, one hundred twelve thousand, two hundred thirteen".