2155544341 has 4 divisors (see below), whose sum is σ = 2157521184. Its totient is φ = 2153567500.

The previous prime is 2155544333. The next prime is 2155544351. The reversal of 2155544341 is 1434455512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2155544341 - 2³ = 2155544333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2155544297 and 2155544306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155544351) 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 3 ways as a sum of consecutive naturals, for example, 986785 + ... + 988966.

It is an arithmetic number, because the mean of its divisors is an integer number (539380296).

Almost surely, 2^2155544341 is an apocalyptic number.

It is an amenable number.

2155544341 is a deficient number, since it is larger than the sum of its proper divisors (1976843).

2155544341 is a wasteful number, since it uses less digits than its factorization.

2155544341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976842.

The product of its digits is 48000, while the sum is 34.

The square root of 2155544341 is about 46427.8401500651. The cubic root of 2155544341 is about 1291.7713663827.

Adding to 2155544341 its reverse (1434455512), we get a palindrome (3589999853).

The spelling of 2155544341 in words is "two billion, one hundred fifty-five million, five hundred forty-four thousand, three hundred forty-one".