1155541343 has 8 divisors (see below), whose sum is σ = 1262511360. Its totient is φ = 1048891480.

The previous prime is 1155541327. The next prime is 1155541363. The reversal of 1155541343 is 3431455511.

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 1155541343 - 2⁴ = 1155541327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155541313) 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, 72455 + ... + 86952.

It is an arithmetic number, because the mean of its divisors is an integer number (157813920).

Almost surely, 2^1155541343 is an apocalyptic number.

1155541343 is a deficient number, since it is larger than the sum of its proper divisors (106970017).

1155541343 is a wasteful number, since it uses less digits than its factorization.

1155541343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160077.

The product of its digits is 18000, while the sum is 32.

The square root of 1155541343 is about 33993.2543749492. The cubic root of 1155541343 is about 1049.3696422056.

Adding to 1155541343 its reverse (3431455511), we get a palindrome (4586996854).

The spelling of 1155541343 in words is "one billion, one hundred fifty-five million, five hundred forty-one thousand, three hundred forty-three".