11611377611 has 2 divisors, whose sum is σ = 11611377612. Its totient is φ = 11611377610.

The previous prime is 11611377607. The next prime is 11611377643. The reversal of 11611377611 is 11677311611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11611377611 - 2² = 11611377607 is a prime.

It is not a weakly prime, because it can be changed into another prime (11611377601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805688805 + 5805688806.

It is an arithmetic number, because the mean of its divisors is an integer number (5805688806).

Almost surely, 2^11611377611 is an apocalyptic number.

11611377611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11611377611 is an equidigital number, since it uses as much as digits as its factorization.

11611377611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 35.

The spelling of 11611377611 in words is "eleven billion, six hundred eleven million, three hundred seventy-seven thousand, six hundred eleven".