1103156819 has 2 divisors, whose sum is σ = 1103156820. Its totient is φ = 1103156818.

The previous prime is 1103156771. The next prime is 1103156833. The reversal of 1103156819 is 9186513011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1103156819 - 2⁸ = 1103156563 is a prime.

It is a super-2 number, since 2×1103156819² = 2433909934612397522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1103156849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551578409 + 551578410.

It is an arithmetic number, because the mean of its divisors is an integer number (551578410).

Almost surely, 2^1103156819 is an apocalyptic number.

1103156819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103156819 is an equidigital number, since it uses as much as digits as its factorization.

1103156819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 1103156819 is about 33213.8046450569. The cubic root of 1103156819 is about 1033.2666636718.

The spelling of 1103156819 in words is "one billion, one hundred three million, one hundred fifty-six thousand, eight hundred nineteen".