11181754222613 has 16 divisors (see below), whose sum is σ = 12755935851120. Its totient is φ = 9710122146816.

The previous prime is 11181754222601. The next prime is 11181754222697. The reversal of 11181754222613 is 31622245718111.

It can be written as a sum of positive squares in 8 ways, for example, as 587555976484 + 10594198246129 = 766522^2 + 3254873^2 .

It is not a de Polignac number, because 11181754222613 - 2¹⁸ = 11181753960469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11181754225613) 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, 10814558 + ... + 11803311.

It is an arithmetic number, because the mean of its divisors is an integer number (797245990695).

Almost surely, 2^{11181754222613} is an apocalyptic number.

11181754222613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11181754222613 is a deficient number, since it is larger than the sum of its proper divisors (1574181628507).

11181754222613 is a wasteful number, since it uses less digits than its factorization.

11181754222613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22620136.

The product of its digits is 161280, while the sum is 44.

The spelling of 11181754222613 in words is "eleven trillion, one hundred eighty-one billion, seven hundred fifty-four million, two hundred twenty-two thousand, six hundred thirteen".