1103105389 has 2 divisors, whose sum is σ = 1103105390. Its totient is φ = 1103105388.

The previous prime is 1103105347. The next prime is 1103105413. The reversal of 1103105389 is 9835013011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996664900 + 106440489 = 31570^2 + 10317^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103105389 - 2¹¹ = 1103103341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103105389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103105329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551552694 + 551552695.

It is an arithmetic number, because the mean of its divisors is an integer number (551552695).

Almost surely, 2^1103105389 is an apocalyptic number.

It is an amenable number.

1103105389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103105389 is an equidigital number, since it uses as much as digits as its factorization.

1103105389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 1103105389 is about 33213.0304097654. The cubic root of 1103105389 is about 1033.2506061995.

The spelling of 1103105389 in words is "one billion, one hundred three million, one hundred five thousand, three hundred eighty-nine".