2111633626243 has 2 divisors, whose sum is σ = 2111633626244. Its totient is φ = 2111633626242.

The previous prime is 2111633626213. The next prime is 2111633626259. The reversal of 2111633626243 is 3426263361112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111633626243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111633626196 and 2111633626205.

It is not a weakly prime, because it can be changed into another prime (2111633626213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055816813121 + 1055816813122.

It is an arithmetic number, because the mean of its divisors is an integer number (1055816813122).

Almost surely, 2^{2111633626243} is an apocalyptic number.

2111633626243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111633626243 is an equidigital number, since it uses as much as digits as its factorization.

2111633626243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 40.

Adding to 2111633626243 its reverse (3426263361112), we get a palindrome (5537896987355).

The spelling of 2111633626243 in words is "two trillion, one hundred eleven billion, six hundred thirty-three million, six hundred twenty-six thousand, two hundred forty-three".