6480761775157 has 2 divisors, whose sum is σ = 6480761775158. Its totient is φ = 6480761775156.

The previous prime is 6480761775121. The next prime is 6480761775199. The reversal of 6480761775157 is 7515771670846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6299342002801 + 181419772356 = 2509849^2 + 425934^2 .

It is a cyclic number.

It is not a de Polignac number, because 6480761775157 - 2¹⁹ = 6480761250869 is a prime.

It is a super-2 number, since 2×6480761775157² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6480761775757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240380887578 + 3240380887579.

It is an arithmetic number, because the mean of its divisors is an integer number (3240380887579).

Almost surely, 2^{6480761775157} is an apocalyptic number.

It is an amenable number.

6480761775157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6480761775157 is an equidigital number, since it uses as much as digits as its factorization.

6480761775157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69148800, while the sum is 64.

The spelling of 6480761775157 in words is "six trillion, four hundred eighty billion, seven hundred sixty-one million, seven hundred seventy-five thousand, one hundred fifty-seven".