11836494839 has 12 divisors (see below), whose sum is σ = 13027159512. Its totient is φ = 10746871200.

The previous prime is 11836494811. The next prime is 11836494881. The reversal of 11836494839 is 93849463811.

11836494839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11836494839 - 2²⁰ = 11835446263 is a prime.

It is a super-2 number, since 2×11836494839² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11836499839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 563777 + ... + 584394.

It is an arithmetic number, because the mean of its divisors is an integer number (1085596626).

Almost surely, 2^11836494839 is an apocalyptic number.

11836494839 is a deficient number, since it is larger than the sum of its proper divisors (1190664673).

11836494839 is a wasteful number, since it uses less digits than its factorization.

11836494839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148258 (or 1148245 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 56.

The spelling of 11836494839 in words is "eleven billion, eight hundred thirty-six million, four hundred ninety-four thousand, eight hundred thirty-nine".