1213655567183 has 2 divisors, whose sum is σ = 1213655567184. Its totient is φ = 1213655567182.

The previous prime is 1213655567161. The next prime is 1213655567203. The reversal of 1213655567183 is 3817655563121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213655567183 - 2¹⁰ = 1213655566159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213655567123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606827783591 + 606827783592.

It is an arithmetic number, because the mean of its divisors is an integer number (606827783592).

Almost surely, 2^{1213655567183} is an apocalyptic number.

1213655567183 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213655567183 is an equidigital number, since it uses as much as digits as its factorization.

1213655567183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536000, while the sum is 53.

The spelling of 1213655567183 in words is "one trillion, two hundred thirteen billion, six hundred fifty-five million, five hundred sixty-seven thousand, one hundred eighty-three".