1102851002809 has 2 divisors, whose sum is σ = 1102851002810. Its totient is φ = 1102851002808.

The previous prime is 1102851002807. The next prime is 1102851002839. The reversal of 1102851002809 is 9082001582011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1045193388409 + 57657614400 = 1022347^2 + 240120^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102851002809 - 2¹ = 1102851002807 is a prime.

Together with 1102851002807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1102851002807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551425501404 + 551425501405.

It is an arithmetic number, because the mean of its divisors is an integer number (551425501405).

Almost surely, 2^{1102851002809} is an apocalyptic number.

It is an amenable number.

1102851002809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102851002809 is an equidigital number, since it uses as much as digits as its factorization.

1102851002809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 37.

The spelling of 1102851002809 in words is "one trillion, one hundred two billion, eight hundred fifty-one million, two thousand, eight hundred nine".