1111103039 has 2 divisors, whose sum is σ = 1111103040. Its totient is φ = 1111103038.

The previous prime is 1111103027. The next prime is 1111103041. The reversal of 1111103039 is 9303011111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111103039 is a prime.

Together with 1111103041, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111103039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111103089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555551519 + 555551520.

It is an arithmetic number, because the mean of its divisors is an integer number (555551520).

Almost surely, 2^1111103039 is an apocalyptic number.

1111103039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111103039 is an equidigital number, since it uses as much as digits as its factorization.

1111103039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 1111103039 is about 33333.2122514468. The cubic root of 1111103039 is about 1035.7416604526.

The spelling of 1111103039 in words is "one billion, one hundred eleven million, one hundred three thousand, thirty-nine".