1100851843489 has 2 divisors, whose sum is σ = 1100851843490. Its totient is φ = 1100851843488.

The previous prime is 1100851843477. The next prime is 1100851843517. The reversal of 1100851843489 is 9843481580011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1018468492864 + 82383350625 = 1009192^2 + 287025^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100851843489 - 2⁵ = 1100851843457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100854843489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550425921744 + 550425921745.

It is an arithmetic number, because the mean of its divisors is an integer number (550425921745).

Almost surely, 2^{1100851843489} is an apocalyptic number.

It is an amenable number.

1100851843489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100851843489 is an equidigital number, since it uses as much as digits as its factorization.

1100851843489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 52.

The spelling of 1100851843489 in words is "one trillion, one hundred billion, eight hundred fifty-one million, eight hundred forty-three thousand, four hundred eighty-nine".