11403043111 has 8 divisors (see below), whose sum is σ = 11571254784. Its totient is φ = 11235042840.

The previous prime is 11403043087. The next prime is 11403043129. The reversal of 11403043111 is 11134030411.

11403043111 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 11403043111 - 2⁵ = 11403043079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403043711) 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, 57510 + ... + 161596.

It is an arithmetic number, because the mean of its divisors is an integer number (1446406848).

Almost surely, 2^11403043111 is an apocalyptic number.

11403043111 is a deficient number, since it is larger than the sum of its proper divisors (168211673).

11403043111 is a wasteful number, since it uses less digits than its factorization.

11403043111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105701.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11403043111 its reverse (11134030411), we get a palindrome (22537073522).

The spelling of 11403043111 in words is "eleven billion, four hundred three million, forty-three thousand, one hundred eleven".