1115252506369 has 2 divisors, whose sum is σ = 1115252506370. Its totient is φ = 1115252506368.

The previous prime is 1115252506367. The next prime is 1115252506373. The reversal of 1115252506369 is 9636052525111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1086305907600 + 28946598769 = 1042260^2 + 170137^2 .

It is an emirp because it is prime and its reverse (9636052525111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1115252506369 - 2¹ = 1115252506367 is a prime.

It is a super-2 number, since 2×1115252506369² (a number of 25 digits) contains 22 as substring.

Together with 1115252506367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1115252506367) 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, 557626253184 + 557626253185.

It is an arithmetic number, because the mean of its divisors is an integer number (557626253185).

Almost surely, 2^{1115252506369} is an apocalyptic number.

It is an amenable number.

1115252506369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115252506369 is an equidigital number, since it uses as much as digits as its factorization.

1115252506369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 1115252506369 in words is "one trillion, one hundred fifteen billion, two hundred fifty-two million, five hundred six thousand, three hundred sixty-nine".