11408681384 has 16 divisors (see below), whose sum is σ = 21611807700. Its totient is φ = 5645532672.

The previous prime is 11408681357. The next prime is 11408681429. The reversal of 11408681384 is 48318680411.

It can be written as a sum of positive squares in 2 ways, for example, as 11395562500 + 13118884 = 106750^2 + 3622^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7350179 + ... + 7351730.

Almost surely, 2^11408681384 is an apocalyptic number.

It is an amenable number.

11408681384 is a deficient number, since it is larger than the sum of its proper divisors (10203126316).

11408681384 is a wasteful number, since it uses less digits than its factorization.

11408681384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14702012 (or 14702008 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 11408681384 in words is "eleven billion, four hundred eight million, six hundred eighty-one thousand, three hundred eighty-four".