11684426651 has 2 divisors, whose sum is σ = 11684426652. Its totient is φ = 11684426650.

The previous prime is 11684426623. The next prime is 11684426669. The reversal of 11684426651 is 15662448611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11684426651 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11684426671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5842213325 + 5842213326.

It is an arithmetic number, because the mean of its divisors is an integer number (5842213326).

Almost surely, 2^11684426651 is an apocalyptic number.

11684426651 is a deficient number, since it is larger than the sum of its proper divisors (1).

11684426651 is an equidigital number, since it uses as much as digits as its factorization.

11684426651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 44.

The spelling of 11684426651 in words is "eleven billion, six hundred eighty-four million, four hundred twenty-six thousand, six hundred fifty-one".