1143153311 has 8 divisors (see below), whose sum is σ = 1152631200. Its totient is φ = 1133713152.

The previous prime is 1143153299. The next prime is 1143153329. The reversal of 1143153311 is 1133513411.

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 1143153311 - 2⁶ = 1143153247 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 (1143153371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53111 + ... + 71463.

It is an arithmetic number, because the mean of its divisors is an integer number (144078900).

Almost surely, 2^1143153311 is an apocalyptic number.

1143153311 is a deficient number, since it is larger than the sum of its proper divisors (9477889).

1143153311 is a wasteful number, since it uses less digits than its factorization.

1143153311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18865.

The product of its digits is 540, while the sum is 23.

The square root of 1143153311 is about 33810.5502912922. The cubic root of 1143153311 is about 1045.6062234970.

Adding to 1143153311 its reverse (1133513411), we get a palindrome (2276666722).

The spelling of 1143153311 in words is "one billion, one hundred forty-three million, one hundred fifty-three thousand, three hundred eleven".