11193840371 has 8 divisors (see below), whose sum is σ = 12848826720. Its totient is φ = 9552820608.

The previous prime is 11193840323. The next prime is 11193840373. The reversal of 11193840371 is 17304839111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11193840371 - 2²⁶ = 11126731507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11193840373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3489926 + ... + 3493131.

It is an arithmetic number, because the mean of its divisors is an integer number (1606103340).

Almost surely, 2^11193840371 is an apocalyptic number.

11193840371 is a deficient number, since it is larger than the sum of its proper divisors (1654986349).

11193840371 is an equidigital number, since it uses as much as digits as its factorization.

11193840371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6983293.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 11193840371 in words is "eleven billion, one hundred ninety-three million, eight hundred forty thousand, three hundred seventy-one".