127161005063 has 4 divisors (see below), whose sum is σ = 133853689560. Its totient is φ = 120468320568.

The previous prime is 127161005051. The next prime is 127161005099. The reversal of 127161005063 is 360500161721.

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 127161005063 - 2²⁰ = 127159956487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127161005263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3346342220 + ... + 3346342257.

It is an arithmetic number, because the mean of its divisors is an integer number (33463422390).

Almost surely, 2^127161005063 is an apocalyptic number.

127161005063 is a deficient number, since it is larger than the sum of its proper divisors (6692684497).

127161005063 is an equidigital number, since it uses as much as digits as its factorization.

127161005063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6692684496.

The product of its (nonzero) digits is 7560, while the sum is 32.

Adding to 127161005063 its reverse (360500161721), we get a palindrome (487661166784).

The spelling of 127161005063 in words is "one hundred twenty-seven billion, one hundred sixty-one million, five thousand, sixty-three".