11118459361 has 4 divisors (see below), whose sum is σ = 11127362500. Its totient is φ = 11109556224.

The previous prime is 11118459343. The next prime is 11118459383. The reversal of 11118459361 is 16395481111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16395481111 = 83 ⋅197535917.

It can be written as a sum of positive squares in 2 ways, for example, as 8940837136 + 2177622225 = 94556^2 + 46665^2 .

It is a cyclic number.

It is not a de Polignac number, because 11118459361 - 2⁵ = 11118459329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11118459061) 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, 4449696 + ... + 4452193.

It is an arithmetic number, because the mean of its divisors is an integer number (2781840625).

Almost surely, 2^11118459361 is an apocalyptic number.

It is an amenable number.

11118459361 is a deficient number, since it is larger than the sum of its proper divisors (8903139).

11118459361 is an equidigital number, since it uses as much as digits as its factorization.

11118459361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8903138.

The product of its digits is 25920, while the sum is 40.

The spelling of 11118459361 in words is "eleven billion, one hundred eighteen million, four hundred fifty-nine thousand, three hundred sixty-one".