2116456112563 has 16 divisors (see below), whose sum is σ = 2503535489280. Its totient is φ = 1770357229344.

The previous prime is 2116456112549. The next prime is 2116456112567. The reversal of 2116456112563 is 3652116546112.

It is a cyclic number.

It is not a de Polignac number, because 2116456112563 - 2⁹ = 2116456112051 is a prime.

It is a super-2 number, since 2×2116456112563² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116456112567) 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 15 ways as a sum of consecutive naturals, for example, 186269281 + ... + 186280642.

It is an arithmetic number, because the mean of its divisors is an integer number (156470968080).

Almost surely, 2^{2116456112563} is an apocalyptic number.

2116456112563 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2116456112563 is a deficient number, since it is larger than the sum of its proper divisors (387079376717).

2116456112563 is a wasteful number, since it uses less digits than its factorization.

2116456112563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372549978.

The product of its digits is 259200, while the sum is 43.

The spelling of 2116456112563 in words is "two trillion, one hundred sixteen billion, four hundred fifty-six million, one hundred twelve thousand, five hundred sixty-three".