11197663085 has 16 divisors (see below), whose sum is σ = 15567165696. Its totient is φ = 7573212288.

The previous prime is 11197663027. The next prime is 11197663093. The reversal of 11197663085 is 58036679111.

It is a cyclic number.

It is not a de Polignac number, because 11197663085 - 2¹⁰ = 11197662061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2188769 + ... + 2193878.

It is an arithmetic number, because the mean of its divisors is an integer number (972947856).

Almost surely, 2^11197663085 is an apocalyptic number.

It is an amenable number.

11197663085 is a deficient number, since it is larger than the sum of its proper divisors (4369502611).

11197663085 is an equidigital number, since it uses as much as digits as its factorization.

11197663085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382732.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 11197663085 in words is "eleven billion, one hundred ninety-seven million, six hundred sixty-three thousand, eighty-five".