1366051103 has 2 divisors, whose sum is σ = 1366051104. Its totient is φ = 1366051102.

The previous prime is 1366051087. The next prime is 1366051123. The reversal of 1366051103 is 3011506631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1366051103 - 2⁴ = 1366051087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1366051123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683025551 + 683025552.

It is an arithmetic number, because the mean of its divisors is an integer number (683025552).

Almost surely, 2^1366051103 is an apocalyptic number.

1366051103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366051103 is an equidigital number, since it uses as much as digits as its factorization.

1366051103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1366051103 is about 36960.1285576769. The cubic root of 1366051103 is about 1109.5724086897.

Adding to 1366051103 its reverse (3011506631), we get a palindrome (4377557734).

The spelling of 1366051103 in words is "one billion, three hundred sixty-six million, fifty-one thousand, one hundred three".