11115805734 has 96 divisors (see below), whose sum is σ = 27914833440. Its totient is φ = 3164313600.

The previous prime is 11115805711. The next prime is 11115805747. The reversal of 11115805734 is 43750851111.

It is a happy number.

11115805734 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 5 + 80 + 573 + 4 = 666.

11115805734 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 2×11115805734² (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 47 ways as a sum of consecutive naturals, for example, 186294 + ... + 238614.

It is an arithmetic number, because the mean of its divisors is an integer number (290779515).

Almost surely, 2^11115805734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11115805734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13957416720).

11115805734 is an abundant number, since it is smaller than the sum of its proper divisors (16799027706).

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

11115805734 is a wasteful number, since it uses less digits than its factorization.

11115805734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52406 (or 52403 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 36.

The spelling of 11115805734 in words is "eleven billion, one hundred fifteen million, eight hundred five thousand, seven hundred thirty-four".