1152505221349 has 2 divisors, whose sum is σ = 1152505221350. Its totient is φ = 1152505221348.

The previous prime is 1152505221347. The next prime is 1152505221367. The reversal of 1152505221349 is 9431225052511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1027348470724 + 125156750625 = 1013582^2 + 353775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152505221349 - 2¹ = 1152505221347 is a prime.

Together with 1152505221347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1152505221347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576252610674 + 576252610675.

It is an arithmetic number, because the mean of its divisors is an integer number (576252610675).

Almost surely, 2^{1152505221349} is an apocalyptic number.

It is an amenable number.

1152505221349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152505221349 is an equidigital number, since it uses as much as digits as its factorization.

1152505221349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 1152505221349 in words is "one trillion, one hundred fifty-two billion, five hundred five million, two hundred twenty-one thousand, three hundred forty-nine".