2141543342161 has 8 divisors (see below), whose sum is σ = 2147307611904. Its totient is φ = 2135786817120.

The previous prime is 2141543342153. The next prime is 2141543342173. The reversal of 2141543342161 is 1612433451412.

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 2141543342161 - 2³ = 2141543342153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2141543342161.

It is not an unprimeable number, because it can be changed into a prime (2141543349161) 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, 1382185 + ... + 2488678.

It is an arithmetic number, because the mean of its divisors is an integer number (268413451488).

Almost surely, 2^{2141543342161} is an apocalyptic number.

It is an amenable number.

2141543342161 is a deficient number, since it is larger than the sum of its proper divisors (5764269743).

2141543342161 is an equidigital number, since it uses as much as digits as its factorization.

2141543342161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872351.

The product of its digits is 69120, while the sum is 37.

Adding to 2141543342161 its reverse (1612433451412), we get a palindrome (3753976793573).

The spelling of 2141543342161 in words is "two trillion, one hundred forty-one billion, five hundred forty-three million, three hundred forty-two thousand, one hundred sixty-one".