11099731664591 has 8 divisors (see below), whose sum is σ = 11498214772800. Its totient is φ = 10707332268160.

The previous prime is 11099731664551. The next prime is 11099731664611. The reversal of 11099731664591 is 19546613799011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11099731664591 - 2³⁴ = 11082551795407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11099731664531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1520924231 + ... + 1520931528.

It is an arithmetic number, because the mean of its divisors is an integer number (1437276846600).

Almost surely, 2^{11099731664591} is an apocalyptic number.

11099731664591 is a deficient number, since it is larger than the sum of its proper divisors (398483108209).

11099731664591 is an equidigital number, since it uses as much as digits as its factorization.

11099731664591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041855889.

The product of its (nonzero) digits is 11022480, while the sum is 62.

The spelling of 11099731664591 in words is "eleven trillion, ninety-nine billion, seven hundred thirty-one million, six hundred sixty-four thousand, five hundred ninety-one".