11459118193 has 4 divisors (see below), whose sum is σ = 11587872420. Its totient is φ = 11330363968.

The previous prime is 11459118169. The next prime is 11459118197. The reversal of 11459118193 is 39181195411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39181195411 = 14159 ⋅2767229.

It can be written as a sum of positive squares in 2 ways, for example, as 1271849569 + 10187268624 = 35663^2 + 100932^2 .

It is a cyclic number.

It is not a de Polignac number, because 11459118193 - 2¹⁷ = 11458987121 is a prime.

It is a super-2 number, since 2×11459118193² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11459118197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64376980 + ... + 64377157.

It is an arithmetic number, because the mean of its divisors is an integer number (2896968105).

Almost surely, 2^11459118193 is an apocalyptic number.

It is an amenable number.

11459118193 is a deficient number, since it is larger than the sum of its proper divisors (128754227).

11459118193 is an equidigital number, since it uses as much as digits as its factorization.

11459118193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128754226.

The product of its digits is 38880, while the sum is 43.

The spelling of 11459118193 in words is "eleven billion, four hundred fifty-nine million, one hundred eighteen thousand, one hundred ninety-three".