11141939809 has 32 divisors (see below), whose sum is σ = 15475703040. Its totient is φ = 7737811200.

The previous prime is 11141939807. The next prime is 11141939813. The reversal of 11141939809 is 90893914111.

It is not a de Polignac number, because 11141939809 - 2¹ = 11141939807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11141939807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162882 + ... + 220939.

It is an arithmetic number, because the mean of its divisors is an integer number (483615720).

Almost surely, 2^11141939809 is an apocalyptic number.

It is an amenable number.

11141939809 is a deficient number, since it is larger than the sum of its proper divisors (4333763231).

11141939809 is a wasteful number, since it uses less digits than its factorization.

11141939809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383881.

The product of its (nonzero) digits is 69984, while the sum is 46.

The spelling of 11141939809 in words is "eleven billion, one hundred forty-one million, nine hundred thirty-nine thousand, eight hundred nine".