11726041931 has 2 divisors, whose sum is σ = 11726041932. Its totient is φ = 11726041930.

The previous prime is 11726041909. The next prime is 11726041933. The reversal of 11726041931 is 13914062711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11726041931 - 2³⁰ = 10652300107 is a prime.

It is a super-2 number, since 2×11726041931² (a number of 21 digits) contains 22 as substring.

Together with 11726041933, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11726041891 and 11726041900.

It is not a weakly prime, because it can be changed into another prime (11726041933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5863020965 + 5863020966.

It is an arithmetic number, because the mean of its divisors is an integer number (5863020966).

Almost surely, 2^11726041931 is an apocalyptic number.

11726041931 is a deficient number, since it is larger than the sum of its proper divisors (1).

11726041931 is an equidigital number, since it uses as much as digits as its factorization.

11726041931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 11726041931 in words is "eleven billion, seven hundred twenty-six million, forty-one thousand, nine hundred thirty-one".