11494827205 has 4 divisors (see below), whose sum is σ = 13793792652. Its totient is φ = 9195861760.

The previous prime is 11494827203. The next prime is 11494827217. The reversal of 11494827205 is 50272849411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50272849411 = 1609 ⋅31244779.

It can be written as a sum of positive squares in 2 ways, for example, as 8982111076 + 2512716129 = 94774^2 + 50127^2 .

It is not a de Polignac number, because 11494827205 - 2¹ = 11494827203 is a prime.

It is a super-2 number, since 2×11494827205² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11494827203) 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, 1149482716 + ... + 1149482725.

It is an arithmetic number, because the mean of its divisors is an integer number (3448448163).

Almost surely, 2^11494827205 is an apocalyptic number.

It is an amenable number.

11494827205 is a deficient number, since it is larger than the sum of its proper divisors (2298965447).

11494827205 is an equidigital number, since it uses as much as digits as its factorization.

11494827205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298965446.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 11494827205 in words is "eleven billion, four hundred ninety-four million, eight hundred twenty-seven thousand, two hundred five".