128750900063 has 2 divisors, whose sum is σ = 128750900064. Its totient is φ = 128750900062.

The previous prime is 128750899957. The next prime is 128750900077. The reversal of 128750900063 is 360009057821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128750900063 - 2²⁶ = 128683791199 is a prime.

It is a super-2 number, since 2×128750900063² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128750900093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64375450031 + 64375450032.

It is an arithmetic number, because the mean of its divisors is an integer number (64375450032).

Almost surely, 2^128750900063 is an apocalyptic number.

128750900063 is a deficient number, since it is larger than the sum of its proper divisors (1).

128750900063 is an equidigital number, since it uses as much as digits as its factorization.

128750900063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

Adding to 128750900063 its reverse (360009057821), we get a palindrome (488759957884).

The spelling of 128750900063 in words is "one hundred twenty-eight billion, seven hundred fifty million, nine hundred thousand, sixty-three".