11155791382 has 16 divisors (see below), whose sum is σ = 16847484192. Its totient is φ = 5540017600.

The previous prime is 11155791373. The next prime is 11155791397. The reversal of 11155791382 is 28319755111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421698 + ... + 447370.

It is an arithmetic number, because the mean of its divisors is an integer number (1052967762).

Almost surely, 2^11155791382 is an apocalyptic number.

11155791382 is a deficient number, since it is larger than the sum of its proper divisors (5691692810).

11155791382 is a wasteful number, since it uses less digits than its factorization.

11155791382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27143.

The product of its digits is 75600, while the sum is 43.

The spelling of 11155791382 in words is "eleven billion, one hundred fifty-five million, seven hundred ninety-one thousand, three hundred eighty-two".