2115120343 has 8 divisors (see below), whose sum is σ = 2462889888. Its totient is φ = 1778753184.

The previous prime is 2115120311. The next prime is 2115120361. The reversal of 2115120343 is 3430215112.

It is a happy number.

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 2115120343 - 2⁵ = 2115120311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115121343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2850196 + ... + 2850937.

It is an arithmetic number, because the mean of its divisors is an integer number (307861236).

Almost surely, 2^2115120343 is an apocalyptic number.

2115120343 is a deficient number, since it is larger than the sum of its proper divisors (347769545).

2115120343 is an equidigital number, since it uses as much as digits as its factorization.

2115120343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701193.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2115120343 is about 45990.4375169448. The cubic root of 2115120343 is about 1283.6452775989.

Adding to 2115120343 its reverse (3430215112), we get a palindrome (5545335455).

The spelling of 2115120343 in words is "two billion, one hundred fifteen million, one hundred twenty thousand, three hundred forty-three".