1103944800787 has 2 divisors, whose sum is σ = 1103944800788. Its totient is φ = 1103944800786.

The previous prime is 1103944800737. The next prime is 1103944800899. The reversal of 1103944800787 is 7870084493011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103944800787 - 2²³ = 1103936412179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103944800737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551972400393 + 551972400394.

It is an arithmetic number, because the mean of its divisors is an integer number (551972400394).

Almost surely, 2^{1103944800787} is an apocalyptic number.

1103944800787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103944800787 is an equidigital number, since it uses as much as digits as its factorization.

1103944800787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 1103944800787 in words is "one trillion, one hundred three billion, nine hundred forty-four million, eight hundred thousand, seven hundred eighty-seven".