11858033208 has 128 divisors (see below), whose sum is σ = 35135493120. Its totient is φ = 3264261120.

The previous prime is 11858033197. The next prime is 11858033269. The reversal of 11858033208 is 80233085811.

It is a super-2 number, since 2×11858033208² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 630988 + ... + 649508.

It is an arithmetic number, because the mean of its divisors is an integer number (274496040).

Almost surely, 2^11858033208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11858033208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17567746560).

11858033208 is an abundant number, since it is smaller than the sum of its proper divisors (23277459912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11858033208 is a wasteful number, since it uses less digits than its factorization.

11858033208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18677 (or 18673 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 11858033208 in words is "eleven billion, eight hundred fifty-eight million, thirty-three thousand, two hundred eight".