127573503805043 has 4 divisors (see below), whose sum is σ = 128418361446288. Its totient is φ = 126728646163800.

The previous prime is 127573503805031. The next prime is 127573503805051. The reversal of 127573503805043 is 340508305375721.

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

It is a cyclic number.

It is not a de Polignac number, because 127573503805043 - 2¹⁸ = 127573503542899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127573503805243) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 422428820396 + ... + 422428820697.

It is an arithmetic number, because the mean of its divisors is an integer number (32104590361572).

Almost surely, 2^{127573503805043} is an apocalyptic number.

127573503805043 is a deficient number, since it is larger than the sum of its proper divisors (844857641245).

127573503805043 is an equidigital number, since it uses as much as digits as its factorization.

127573503805043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844857641244.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 127573503805043 in words is "one hundred twenty-seven trillion, five hundred seventy-three billion, five hundred three million, eight hundred five thousand, forty-three".