1188046120669 has 2 divisors, whose sum is σ = 1188046120670. Its totient is φ = 1188046120668.

The previous prime is 1188046120649. The next prime is 1188046120721. The reversal of 1188046120669 is 9660216408811.

It is an a-pointer prime, because the next prime (1188046120721) can be obtained adding 1188046120669 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 802233705625 + 385812415044 = 895675^2 + 621138^2 .

It is a cyclic number.

It is not a de Polignac number, because 1188046120669 - 2¹¹ = 1188046118621 is a prime.

It is a super-2 number, since 2×1188046120669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1188046120649) 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, 594023060334 + 594023060335.

It is an arithmetic number, because the mean of its divisors is an integer number (594023060335).

Almost surely, 2^{1188046120669} is an apocalyptic number.

It is an amenable number.

1188046120669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188046120669 is an equidigital number, since it uses as much as digits as its factorization.

1188046120669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 52.

The spelling of 1188046120669 in words is "one trillion, one hundred eighty-eight billion, forty-six million, one hundred twenty thousand, six hundred sixty-nine".