11286167993 has 4 divisors (see below), whose sum is σ = 11440773108. Its totient is φ = 11131562880.

The previous prime is 11286167987. The next prime is 11286168001. The reversal of 11286167993 is 39976168211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2995701289 + 8290466704 = 54733^2 + 91052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11286167993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11286167983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77302448 + ... + 77302593.

It is an arithmetic number, because the mean of its divisors is an integer number (2860193277).

Almost surely, 2^11286167993 is an apocalyptic number.

It is an amenable number.

11286167993 is a deficient number, since it is larger than the sum of its proper divisors (154605115).

11286167993 is an equidigital number, since it uses as much as digits as its factorization.

11286167993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154605114.

The product of its digits is 979776, while the sum is 53.

The spelling of 11286167993 in words is "eleven billion, two hundred eighty-six million, one hundred sixty-seven thousand, nine hundred ninety-three".