1103111323187 has 2 divisors, whose sum is σ = 1103111323188. Its totient is φ = 1103111323186.

The previous prime is 1103111323109. The next prime is 1103111323213. The reversal of 1103111323187 is 7813231113011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1103111323187 - 2²² = 1103107128883 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103111323687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551555661593 + 551555661594.

It is an arithmetic number, because the mean of its divisors is an integer number (551555661594).

Almost surely, 2^{1103111323187} is an apocalyptic number.

1103111323187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103111323187 is an equidigital number, since it uses as much as digits as its factorization.

1103111323187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 32.

Adding to 1103111323187 its reverse (7813231113011), we get a palindrome (8916342436198).

The spelling of 1103111323187 in words is "one trillion, one hundred three billion, one hundred eleven million, three hundred twenty-three thousand, one hundred eighty-seven".