1133243155 has 16 divisors (see below), whose sum is σ = 1485410400. Its totient is φ = 823125760.

The previous prime is 1133243131. The next prime is 1133243197. The reversal of 1133243155 is 5513423311.

It is a happy number.

It is not a de Polignac number, because 1133243155 - 2⁵ = 1133243123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31761 + ... + 57229.

It is an arithmetic number, because the mean of its divisors is an integer number (92838150).

Almost surely, 2^1133243155 is an apocalyptic number.

1133243155 is a deficient number, since it is larger than the sum of its proper divisors (352167245).

1133243155 is a wasteful number, since it uses less digits than its factorization.

1133243155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26294.

The product of its digits is 5400, while the sum is 28.

The square root of 1133243155 is about 33663.6770867355. The cubic root of 1133243155 is about 1042.5759477092.

Adding to 1133243155 its reverse (5513423311), we get a palindrome (6646666466).

The spelling of 1133243155 in words is "one billion, one hundred thirty-three million, two hundred forty-three thousand, one hundred fifty-five".