26121225343 has 4 divisors (see below), whose sum is σ = 26151635080. Its totient is φ = 26090815608.

The previous prime is 26121225283. The next prime is 26121225353. The reversal of 26121225343 is 34352212162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34352212162 = 2 ⋅17176106081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26121225343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26121225353) 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, 15203580 + ... + 15205297.

It is an arithmetic number, because the mean of its divisors is an integer number (6537908770).

Almost surely, 2^26121225343 is an apocalyptic number.

26121225343 is a deficient number, since it is larger than the sum of its proper divisors (30409737).

26121225343 is an equidigital number, since it uses as much as digits as its factorization.

26121225343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30409736.

The product of its digits is 17280, while the sum is 31.

The spelling of 26121225343 in words is "twenty-six billion, one hundred twenty-one million, two hundred twenty-five thousand, three hundred forty-three".