2544243241015 has 16 divisors (see below), whose sum is σ = 3500395645248. Its totient is φ = 1739050050816.

The previous prime is 2544243240983. The next prime is 2544243241021. The reversal of 2544243241015 is 5101423424452.

It is a cyclic number.

It is not a de Polignac number, because 2544243241015 - 2⁵ = 2544243240983 is a prime.

It is a super-2 number, since 2×2544243241015² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

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, 116111512 + ... + 116133421.

It is an arithmetic number, because the mean of its divisors is an integer number (218774727828).

Almost surely, 2^{2544243241015} is an apocalyptic number.

2544243241015 is a deficient number, since it is larger than the sum of its proper divisors (956152404233).

2544243241015 is a wasteful number, since it uses less digits than its factorization.

2544243241015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232245258.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 2544243241015 its reverse (5101423424452), we get a palindrome (7645666665467).

The spelling of 2544243241015 in words is "two trillion, five hundred forty-four billion, two hundred forty-three million, two hundred forty-one thousand, fifteen".