11288381806 has 16 divisors (see below), whose sum is σ = 18252277344. Its totient is φ = 5205108384.

The previous prime is 11288381789. The next prime is 11288381809. The reversal of 11288381806 is 60818388211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11288381809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176581 + ... + 231856.

It is an arithmetic number, because the mean of its divisors is an integer number (1140767334).

Almost surely, 2^11288381806 is an apocalyptic number.

11288381806 is a deficient number, since it is larger than the sum of its proper divisors (6963895538).

11288381806 is a wasteful number, since it uses less digits than its factorization.

11288381806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409515.

The product of its (nonzero) digits is 147456, while the sum is 46.

The spelling of 11288381806 in words is "eleven billion, two hundred eighty-eight million, three hundred eighty-one thousand, eight hundred six".