11381138883 has 12 divisors (see below), whose sum is σ = 16557693880. Its totient is φ = 7532839296.

The previous prime is 11381138851. The next prime is 11381138887. The reversal of 11381138883 is 38883118311.

11381138883 is a `hidden beast` number, since 113 + 81 + 1 + 388 + 83 = 666.

It is not a de Polignac number, because 11381138883 - 2⁵ = 11381138851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11381138887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4547566 + ... + 4550067.

Almost surely, 2^11381138883 is an apocalyptic number.

11381138883 is a deficient number, since it is larger than the sum of its proper divisors (5176554997).

11381138883 is a wasteful number, since it uses less digits than its factorization.

11381138883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9097778 (or 9097775 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The spelling of 11381138883 in words is "eleven billion, three hundred eighty-one million, one hundred thirty-eight thousand, eight hundred eighty-three".