15504045043 has 2 divisors, whose sum is σ = 15504045044. Its totient is φ = 15504045042.

The previous prime is 15504044993. The next prime is 15504045071. The reversal of 15504045043 is 34054040551.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15504045043 - 2⁹ = 15504044531 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 15504044996 and 15504045014.

It is not a weakly prime, because it can be changed into another prime (15504045443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7752022521 + 7752022522.

It is an arithmetic number, because the mean of its divisors is an integer number (7752022522).

Almost surely, 2^15504045043 is an apocalyptic number.

15504045043 is a deficient number, since it is larger than the sum of its proper divisors (1).

15504045043 is an equidigital number, since it uses as much as digits as its factorization.

15504045043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 15504045043 its reverse (34054040551), we get a palindrome (49558085594).

The spelling of 15504045043 in words is "fifteen billion, five hundred four million, forty-five thousand, forty-three".