115667635321 has 8 divisors (see below), whose sum is σ = 136749913920. Its totient is φ = 95724939408.

The previous prime is 115667635309. The next prime is 115667635337. The reversal of 115667635321 is 123536766511.

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

It is not a de Polignac number, because 115667635321 - 2⁹ = 115667634809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115667635361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284895451 + ... + 284895856.

It is an arithmetic number, because the mean of its divisors is an integer number (17093739240).

Almost surely, 2^115667635321 is an apocalyptic number.

It is an amenable number.

115667635321 is a deficient number, since it is larger than the sum of its proper divisors (21082278599).

115667635321 is an equidigital number, since it uses as much as digits as its factorization.

115667635321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569791343.

The product of its digits is 680400, while the sum is 46.

The spelling of 115667635321 in words is "one hundred fifteen billion, six hundred sixty-seven million, six hundred thirty-five thousand, three hundred twenty-one".