2116895491201 has 8 divisors (see below), whose sum is σ = 2120071980960. Its totient is φ = 2113719228192.

The previous prime is 2116895491181. The next prime is 2116895491219. The reversal of 2116895491201 is 1021945986112.

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

It is a cyclic number.

It is not a de Polignac number, because 2116895491201 - 2⁵ = 2116895491169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116895491001) 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, 32518581 + ... + 32583613.

It is an arithmetic number, because the mean of its divisors is an integer number (265008997620).

Almost surely, 2^{2116895491201} is an apocalyptic number.

It is an amenable number.

2116895491201 is a deficient number, since it is larger than the sum of its proper divisors (3176489759).

2116895491201 is an equidigital number, since it uses as much as digits as its factorization.

2116895491201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113375.

The product of its (nonzero) digits is 311040, while the sum is 49.

The spelling of 2116895491201 in words is "two trillion, one hundred sixteen billion, eight hundred ninety-five million, four hundred ninety-one thousand, two hundred one".