11112142003 has 4 divisors (see below), whose sum is σ = 11112573760. Its totient is φ = 11111710248.

The previous prime is 11112141977. The next prime is 11112142009. The reversal of 11112142003 is 30024121111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30024121111 = 5843 ⋅5138477.

It is a cyclic number.

It is not a de Polignac number, because 11112142003 - 2³³ = 2522207411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112142009) 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, 174648 + ... + 229621.

It is an arithmetic number, because the mean of its divisors is an integer number (2778143440).

Almost surely, 2^11112142003 is an apocalyptic number.

11112142003 is a deficient number, since it is larger than the sum of its proper divisors (431757).

11112142003 is an equidigital number, since it uses as much as digits as its factorization.

11112142003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431756.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11112142003 its reverse (30024121111), we get a palindrome (41136263114).

The spelling of 11112142003 in words is "eleven billion, one hundred twelve million, one hundred forty-two thousand, three".