11611266539 has 2 divisors, whose sum is σ = 11611266540. Its totient is φ = 11611266538.

The previous prime is 11611266533. The next prime is 11611266581. The reversal of 11611266539 is 93566211611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11611266539 - 2²⁰ = 11610217963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11611266496 and 11611266505.

It is not a weakly prime, because it can be changed into another prime (11611266533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805633269 + 5805633270.

It is an arithmetic number, because the mean of its divisors is an integer number (5805633270).

Almost surely, 2^11611266539 is an apocalyptic number.

11611266539 is a deficient number, since it is larger than the sum of its proper divisors (1).

11611266539 is an equidigital number, since it uses as much as digits as its factorization.

11611266539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 41.

The spelling of 11611266539 in words is "eleven billion, six hundred eleven million, two hundred sixty-six thousand, five hundred thirty-nine".