2159097611243 has 4 divisors (see below), whose sum is σ = 2233549253040. Its totient is φ = 2084645969448.

The previous prime is 2159097611213. The next prime is 2159097611273. The reversal of 2159097611243 is 3421167909512.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2159097611213) and next prime (2159097611273).

It is a cyclic number.

It is not a de Polignac number, because 2159097611243 - 2²⁸ = 2158829175787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2159097611191 and 2159097611200.

It is not an unprimeable number, because it can be changed into a prime (2159097611213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37225820855 + ... + 37225820912.

It is an arithmetic number, because the mean of its divisors is an integer number (558387313260).

Almost surely, 2^{2159097611243} is an apocalyptic number.

2159097611243 is a deficient number, since it is larger than the sum of its proper divisors (74451641797).

2159097611243 is an equidigital number, since it uses as much as digits as its factorization.

2159097611243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74451641796.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 2159097611243 in words is "two trillion, one hundred fifty-nine billion, ninety-seven million, six hundred eleven thousand, two hundred forty-three".