11611017577 has 2 divisors, whose sum is σ = 11611017578. Its totient is φ = 11611017576.

The previous prime is 11611017571. The next prime is 11611017601. The reversal of 11611017577 is 77571011611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10712457001 + 898560576 = 103501^2 + 29976^2 .

It is a cyclic number.

It is not a de Polignac number, because 11611017577 - 2¹⁵ = 11610984809 is a prime.

It is not a weakly prime, because it can be changed into another prime (11611017571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805508788 + 5805508789.

It is an arithmetic number, because the mean of its divisors is an integer number (5805508789).

Almost surely, 2^11611017577 is an apocalyptic number.

It is an amenable number.

11611017577 is a deficient number, since it is larger than the sum of its proper divisors (1).

11611017577 is an equidigital number, since it uses as much as digits as its factorization.

11611017577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10290, while the sum is 37.

The spelling of 11611017577 in words is "eleven billion, six hundred eleven million, seventeen thousand, five hundred seventy-seven".