2113243243015 has 16 divisors (see below), whose sum is σ = 2592235216800. Its totient is φ = 1653329313792.

The previous prime is 2113243242997. The next prime is 2113243243081. The reversal of 2113243243015 is 5103423423112.

It is a cyclic number.

It is not a de Polignac number, because 2113243243015 - 2⁹ = 2113243242503 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 18501450 + ... + 18615319.

It is an arithmetic number, because the mean of its divisors is an integer number (162014701050).

Almost surely, 2^{2113243243015} is an apocalyptic number.

2113243243015 is a deficient number, since it is larger than the sum of its proper divisors (478991973785).

2113243243015 is a wasteful number, since it uses less digits than its factorization.

2113243243015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37117026.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 2113243243015 its reverse (5103423423112), we get a palindrome (7216666666127).

The spelling of 2113243243015 in words is "two trillion, one hundred thirteen billion, two hundred forty-three million, two hundred forty-three thousand, fifteen".