11542031103 has 4 divisors (see below), whose sum is σ = 15389374808. Its totient is φ = 7694687400.

The previous prime is 11542031089. The next prime is 11542031131. The reversal of 11542031103 is 30113024511.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11542031103 - 2¹⁰ = 11542030079 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 11542031103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542031183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923671848 + ... + 1923671853.

It is an arithmetic number, because the mean of its divisors is an integer number (3847343702).

Almost surely, 2^11542031103 is an apocalyptic number.

11542031103 is a deficient number, since it is larger than the sum of its proper divisors (3847343705).

11542031103 is an equidigital number, since it uses as much as digits as its factorization.

11542031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847343704.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11542031103 its reverse (30113024511), we get a palindrome (41655055614).

The spelling of 11542031103 in words is "eleven billion, five hundred forty-two million, thirty-one thousand, one hundred three".