2115444353599 has 2 divisors, whose sum is σ = 2115444353600. Its totient is φ = 2115444353598.

The previous prime is 2115444353509. The next prime is 2115444353611. The reversal of 2115444353599 is 9953534445112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2115444353599 - 2⁷ = 2115444353471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115444353509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057722176799 + 1057722176800.

It is an arithmetic number, because the mean of its divisors is an integer number (1057722176800).

Almost surely, 2^{2115444353599} is an apocalyptic number.

2115444353599 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115444353599 is an equidigital number, since it uses as much as digits as its factorization.

2115444353599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664000, while the sum is 55.

The spelling of 2115444353599 in words is "two trillion, one hundred fifteen billion, four hundred forty-four million, three hundred fifty-three thousand, five hundred ninety-nine".