11057046661 has 2 divisors, whose sum is σ = 11057046662. Its totient is φ = 11057046660.

The previous prime is 11057046643. The next prime is 11057046701. The reversal of 11057046661 is 16664075011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7969132900 + 3087913761 = 89270^2 + 55569^2 .

It is a cyclic number.

It is not a de Polignac number, because 11057046661 - 2¹⁵ = 11057013893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11057046661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11057046361) 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, 5528523330 + 5528523331.

It is an arithmetic number, because the mean of its divisors is an integer number (5528523331).

Almost surely, 2^11057046661 is an apocalyptic number.

It is an amenable number.

11057046661 is a deficient number, since it is larger than the sum of its proper divisors (1).

11057046661 is an equidigital number, since it uses as much as digits as its factorization.

11057046661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 11057046661 in words is "eleven billion, fifty-seven million, forty-six thousand, six hundred sixty-one".