2085658967121 has 8 divisors (see below), whose sum is σ = 2781175413984. Its totient is φ = 1390290915840.

The previous prime is 2085658967071. The next prime is 2085658967129. The reversal of 2085658967121 is 1217698565802.

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

It is not a de Polignac number, because 2085658967121 - 2¹⁷ = 2085658836049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2085658967129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37066096 + ... + 37122321.

It is an arithmetic number, because the mean of its divisors is an integer number (347646926748).

Almost surely, 2^{2085658967121} is an apocalyptic number.

It is an amenable number.

2085658967121 is a deficient number, since it is larger than the sum of its proper divisors (695516446863).

2085658967121 is an equidigital number, since it uses as much as digits as its factorization.

2085658967121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74197791.

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 2085658967121 in words is "two trillion, eighty-five billion, six hundred fifty-eight million, nine hundred sixty-seven thousand, one hundred twenty-one".