11814018436 has 36 divisors (see below), whose sum is σ = 23920965040. Its totient is φ = 5087372400.

The previous prime is 11814018427. The next prime is 11814018467. The reversal of 11814018436 is 63481041811.

It is a super-2 number, since 2×11814018436² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11814018395 and 11814018404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 633150 + ... + 651541.

Almost surely, 2^11814018436 is an apocalyptic number.

It is an amenable number.

11814018436 is an abundant number, since it is smaller than the sum of its proper divisors (12106946604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11814018436 is a wasteful number, since it uses less digits than its factorization.

11814018436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284736 (or 1284723 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 11814018436 in words is "eleven billion, eight hundred fourteen million, eighteen thousand, four hundred thirty-six".