5243145240999 has 8 divisors (see below), whose sum is σ = 6992497158912. Its totient is φ = 3494611741880.

The previous prime is 5243145240997. The next prime is 5243145241001. The reversal of 5243145240999 is 9990425413425.

It is an interprime number because it is at equal distance from previous prime (5243145240997) and next prime (5243145241001).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5243145240999 - 2¹ = 5243145240997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243145240997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204589749 + ... + 204615374.

It is an arithmetic number, because the mean of its divisors is an integer number (874062144864).

Almost surely, 2^{5243145240999} is an apocalyptic number.

5243145240999 is a deficient number, since it is larger than the sum of its proper divisors (1749351917913).

5243145240999 is a wasteful number, since it uses less digits than its factorization.

5243145240999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409209397.

The product of its (nonzero) digits is 13996800, while the sum is 57.

The spelling of 5243145240999 in words is "five trillion, two hundred forty-three billion, one hundred forty-five million, two hundred forty thousand, nine hundred ninety-nine".