1185336870853 has 2 divisors, whose sum is σ = 1185336870854. Its totient is φ = 1185336870852.

The previous prime is 1185336870833. The next prime is 1185336870857. The reversal of 1185336870853 is 3580786335811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 696011438529 + 489325432324 = 834273^2 + 699518^2 .

It is a cyclic number.

It is not a de Polignac number, because 1185336870853 - 2⁵ = 1185336870821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1185336870857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 592668435426 + 592668435427.

It is an arithmetic number, because the mean of its divisors is an integer number (592668435427).

Almost surely, 2^{1185336870853} is an apocalyptic number.

It is an amenable number.

1185336870853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1185336870853 is an equidigital number, since it uses as much as digits as its factorization.

1185336870853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 1185336870853 in words is "one trillion, one hundred eighty-five billion, three hundred thirty-six million, eight hundred seventy thousand, eight hundred fifty-three".