11926235091 has 16 divisors (see below), whose sum is σ = 16454789120. Its totient is φ = 7675508160.

The previous prime is 11926235089. The next prime is 11926235099. The reversal of 11926235091 is 19053262911.

It is not a de Polignac number, because 11926235091 - 2¹ = 11926235089 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11926235099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118735 + ... + 194808.

It is an arithmetic number, because the mean of its divisors is an integer number (1028424320).

Almost surely, 2^11926235091 is an apocalyptic number.

11926235091 is a deficient number, since it is larger than the sum of its proper divisors (4528554029).

11926235091 is a wasteful number, since it uses less digits than its factorization.

11926235091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313986.

The product of its (nonzero) digits is 29160, while the sum is 39.

The spelling of 11926235091 in words is "eleven billion, nine hundred twenty-six million, two hundred thirty-five thousand, ninety-one".