128531686483 has 2 divisors, whose sum is σ = 128531686484. Its totient is φ = 128531686482.

The previous prime is 128531686433. The next prime is 128531686519. The reversal of 128531686483 is 384686135821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128531686483 - 2²⁵ = 128498132051 is a prime.

It is not a weakly prime, because it can be changed into another prime (128531686433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64265843241 + 64265843242.

It is an arithmetic number, because the mean of its divisors is an integer number (64265843242).

Almost surely, 2^128531686483 is an apocalyptic number.

128531686483 is a deficient number, since it is larger than the sum of its proper divisors (1).

128531686483 is an equidigital number, since it uses as much as digits as its factorization.

128531686483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520, while the sum is 55.

The spelling of 128531686483 in words is "one hundred twenty-eight billion, five hundred thirty-one million, six hundred eighty-six thousand, four hundred eighty-three".