115673466721 has 2 divisors, whose sum is σ = 115673466722. Its totient is φ = 115673466720.

The previous prime is 115673466677. The next prime is 115673466739. The reversal of 115673466721 is 127664376511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115437537121 + 235929600 = 339761^2 + 15360^2 .

It is a cyclic number.

It is not a de Polignac number, because 115673466721 - 2¹⁹ = 115672942433 is a prime.

It is not a weakly prime, because it can be changed into another prime (115673466791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57836733360 + 57836733361.

It is an arithmetic number, because the mean of its divisors is an integer number (57836733361).

Almost surely, 2^115673466721 is an apocalyptic number.

It is an amenable number.

115673466721 is a deficient number, since it is larger than the sum of its proper divisors (1).

115673466721 is an equidigital number, since it uses as much as digits as its factorization.

115673466721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The spelling of 115673466721 in words is "one hundred fifteen billion, six hundred seventy-three million, four hundred sixty-six thousand, seven hundred twenty-one".