1214845085533 has 2 divisors, whose sum is σ = 1214845085534. Its totient is φ = 1214845085532.

The previous prime is 1214845085527. The next prime is 1214845085537. The reversal of 1214845085533 is 3355805484121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 701618991129 + 513226094404 = 837627^2 + 716398^2 .

It is an emirp because it is prime and its reverse (3355805484121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1214845085533 - 2⁵ = 1214845085501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214845085537) 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, 607422542766 + 607422542767.

It is an arithmetic number, because the mean of its divisors is an integer number (607422542767).

Almost surely, 2^{1214845085533} is an apocalyptic number.

It is an amenable number.

1214845085533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214845085533 is an equidigital number, since it uses as much as digits as its factorization.

1214845085533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 1214845085533 in words is "one trillion, two hundred fourteen billion, eight hundred forty-five million, eighty-five thousand, five hundred thirty-three".