11858764686 has 16 divisors (see below), whose sum is σ = 23794788864. Its totient is φ = 3940044984.

The previous prime is 11858764669. The next prime is 11858764759. The reversal of 11858764686 is 68646785811.

It is a happy number.

11858764686 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-3 number, since 3×11858764686³ (a number of 31 digits) contains 333 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 7 ways as a sum of consecutive naturals, for example, 3217150 + ... + 3220833.

It is an arithmetic number, because the mean of its divisors is an integer number (1487174304).

Almost surely, 2^11858764686 is an apocalyptic number.

11858764686 is an abundant number, since it is smaller than the sum of its proper divisors (11936024178).

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

11858764686 is a wasteful number, since it uses less digits than its factorization.

11858764686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438295.

The product of its digits is 15482880, while the sum is 60.

The spelling of 11858764686 in words is "eleven billion, eight hundred fifty-eight million, seven hundred sixty-four thousand, six hundred eighty-six".