1111400003 has 16 divisors (see below), whose sum is σ = 1380157440. Its totient is φ = 873374400.

The previous prime is 1111399999. The next prime is 1111400009. The reversal of 1111400003 is 3000041111.

It is a cyclic number.

It is not a de Polignac number, because 1111400003 - 2² = 1111399999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111400009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130658 + ... + 138903.

It is an arithmetic number, because the mean of its divisors is an integer number (86259840).

Almost surely, 2^1111400003 is an apocalyptic number.

1111400003 is a deficient number, since it is larger than the sum of its proper divisors (268757437).

1111400003 is a wasteful number, since it uses less digits than its factorization.

1111400003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269618.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1111400003 is about 33337.6664300308. Note that the first 3 decimals coincide. The cubic root of 1111400003 is about 1035.8339262994.

Adding to 1111400003 its reverse (3000041111), we get a palindrome (4111441114).

The spelling of 1111400003 in words is "one billion, one hundred eleven million, four hundred thousand, three".