12111745803 has 8 divisors (see below), whose sum is σ = 16705856400. Its totient is φ = 7796066208.

The previous prime is 12111745781. The next prime is 12111745817. The reversal of 12111745803 is 30854711121.

12111745803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12111745803 - 2⁶ = 12111745739 is a prime.

It is a super-2 number, since 2×12111745803² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12111745883) by changing a digit.

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, 69607648 + ... + 69607821.

It is an arithmetic number, because the mean of its divisors is an integer number (2088232050).

Almost surely, 2^12111745803 is an apocalyptic number.

12111745803 is a deficient number, since it is larger than the sum of its proper divisors (4594110597).

12111745803 is a wasteful number, since it uses less digits than its factorization.

12111745803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139215501.

The product of its (nonzero) digits is 6720, while the sum is 33.

The spelling of 12111745803 in words is "twelve billion, one hundred eleven million, seven hundred forty-five thousand, eight hundred three".