11858033318 has 12 divisors (see below), whose sum is σ = 18594025548. Its totient is φ = 5671232820.

The previous prime is 11858033309. The next prime is 11858033333. The reversal of 11858033318 is 81333085811.

11858033318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11858033318² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5602928 + ... + 5605043.

It is an arithmetic number, because the mean of its divisors is an integer number (1549502129).

Almost surely, 2^11858033318 is an apocalyptic number.

11858033318 is a deficient number, since it is larger than the sum of its proper divisors (6735992230).

11858033318 is a wasteful number, since it uses less digits than its factorization.

11858033318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11208019 (or 11207996 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 11858033318 in words is "eleven billion, eight hundred fifty-eight million, thirty-three thousand, three hundred eighteen".