115665466645 has 8 divisors (see below), whose sum is σ = 138820908600. Its totient is φ = 92517474240.

The previous prime is 115665466607. The next prime is 115665466703. The reversal of 115665466645 is 546664566511.

It can be written as a sum of positive squares in 4 ways, for example, as 7824817764 + 107840648881 = 88458^2 + 328391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115665466645 - 2³¹ = 113517982997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1828170 + ... + 1890379.

It is an arithmetic number, because the mean of its divisors is an integer number (17352613575).

Almost surely, 2^115665466645 is an apocalyptic number.

It is an amenable number.

115665466645 is a deficient number, since it is larger than the sum of its proper divisors (23155441955).

115665466645 is an equidigital number, since it uses as much as digits as its factorization.

115665466645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724775.

The product of its digits is 15552000, while the sum is 55.

The spelling of 115665466645 in words is "one hundred fifteen billion, six hundred sixty-five million, four hundred sixty-six thousand, six hundred forty-five".