128302563483137 has 2 divisors, whose sum is σ = 128302563483138. Its totient is φ = 128302563483136.

The previous prime is 128302563483103. The next prime is 128302563483163. The reversal of 128302563483137 is 731384365203821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95783783512561 + 32518779970576 = 9786919^2 + 5702524^2 .

It is a cyclic number.

It is not a de Polignac number, because 128302563483137 - 2²⁰ = 128302562434561 is a prime.

It is not a weakly prime, because it can be changed into another prime (128302563483187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64151281741568 + 64151281741569.

It is an arithmetic number, because the mean of its divisors is an integer number (64151281741569).

Almost surely, 2^{128302563483137} is an apocalyptic number.

It is an amenable number.

128302563483137 is a deficient number, since it is larger than the sum of its proper divisors (1).

128302563483137 is an equidigital number, since it uses as much as digits as its factorization.

128302563483137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 128302563483137 in words is "one hundred twenty-eight trillion, three hundred two billion, five hundred sixty-three million, four hundred eighty-three thousand, one hundred thirty-seven".