11131117273 has 4 divisors (see below), whose sum is σ = 11140789248. Its totient is φ = 11121445300.

The previous prime is 11131117267. The next prime is 11131117351. The reversal of 11131117273 is 37271113111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11131117273 - 2²¹ = 11129020121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131112273) 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, 4834261 + ... + 4836562.

It is an arithmetic number, because the mean of its divisors is an integer number (2785197312).

Almost surely, 2^11131117273 is an apocalyptic number.

It is an amenable number.

11131117273 is a deficient number, since it is larger than the sum of its proper divisors (9671975).

11131117273 is an equidigital number, since it uses as much as digits as its factorization.

11131117273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671974.

The product of its digits is 882, while the sum is 28.

The spelling of 11131117273 in words is "eleven billion, one hundred thirty-one million, one hundred seventeen thousand, two hundred seventy-three".