11814036842 has 12 divisors (see below), whose sum is σ = 18106127970. Its totient is φ = 5781335016.

The previous prime is 11814036811. The next prime is 11814036851. The reversal of 11814036842 is 24863041811.

It can be written as a sum of positive squares in only one way, i.e., 11352689401 + 461347441 = 106549^2 + 21479^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11814036796 and 11814036805.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1332617 + ... + 1341452.

Almost surely, 2^11814036842 is an apocalyptic number.

11814036842 is a deficient number, since it is larger than the sum of its proper divisors (6292091128).

11814036842 is an equidigital number, since it uses as much as digits as its factorization.

11814036842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674165 (or 2674118 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 11814036842 in words is "eleven billion, eight hundred fourteen million, thirty-six thousand, eight hundred forty-two".