15004004243 has 4 divisors (see below), whose sum is σ = 15369955608. Its totient is φ = 14638052880.

The previous prime is 15004004167. The next prime is 15004004269. The reversal of 15004004243 is 34240040051.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15004004243 - 2²⁸ = 14735568787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15004504243) 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 in 3 ways as a sum of consecutive naturals, for example, 182975621 + ... + 182975702.

It is an arithmetic number, because the mean of its divisors is an integer number (3842488902).

Almost surely, 2^15004004243 is an apocalyptic number.

15004004243 is a deficient number, since it is larger than the sum of its proper divisors (365951365).

15004004243 is an equidigital number, since it uses as much as digits as its factorization.

15004004243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365951364.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 15004004243 its reverse (34240040051), we get a palindrome (49244044294).

The spelling of 15004004243 in words is "fifteen billion, four million, four thousand, two hundred forty-three".