2116611535643 has 8 divisors (see below), whose sum is σ = 2309490518016. Its totient is φ = 1923809178600.

The previous prime is 2116611535613. The next prime is 2116611535651. The reversal of 2116611535643 is 3465351166112.

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 2116611535643 - 2⁶ = 2116611535579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2116611535594 and 2116611535603.

It is not an unprimeable number, because it can be changed into a prime (2116611535613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19098563 + ... + 19209068.

It is an arithmetic number, because the mean of its divisors is an integer number (288686314752).

Almost surely, 2^{2116611535643} is an apocalyptic number.

2116611535643 is a deficient number, since it is larger than the sum of its proper divisors (192878982373).

2116611535643 is a wasteful number, since it uses less digits than its factorization.

2116611535643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38312665.

The product of its digits is 388800, while the sum is 44.

The spelling of 2116611535643 in words is "two trillion, one hundred sixteen billion, six hundred eleven million, five hundred thirty-five thousand, six hundred forty-three".