1152208881869 has 2 divisors, whose sum is σ = 1152208881870. Its totient is φ = 1152208881868.

The previous prime is 1152208881839. The next prime is 1152208881877. The reversal of 1152208881869 is 9681888022511.

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., 1133294380969 + 18914500900 = 1064563^2 + 137530^2 .

It is an emirp because it is prime and its reverse (9681888022511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1152208881869 - 2¹² = 1152208877773 is a prime.

It is a super-2 number, since 2×1152208881869² (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 (1152208881829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576104440934 + 576104440935.

It is an arithmetic number, because the mean of its divisors is an integer number (576104440935).

Almost surely, 2^{1152208881869} is an apocalyptic number.

It is an amenable number.

1152208881869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152208881869 is an equidigital number, since it uses as much as digits as its factorization.

1152208881869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4423680, while the sum is 59.

The spelling of 1152208881869 in words is "one trillion, one hundred fifty-two billion, two hundred eight million, eight hundred eighty-one thousand, eight hundred sixty-nine".