1140333311 has 4 divisors (see below), whose sum is σ = 1228051272. Its totient is φ = 1052615352.

The previous prime is 1140333277. The next prime is 1140333371. The reversal of 1140333311 is 1133330411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1140333311 - 2²² = 1136139007 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 (1140333371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43858961 + ... + 43858986.

It is an arithmetic number, because the mean of its divisors is an integer number (307012818).

Almost surely, 2^1140333311 is an apocalyptic number.

1140333311 is a deficient number, since it is larger than the sum of its proper divisors (87717961).

1140333311 is an equidigital number, since it uses as much as digits as its factorization.

1140333311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87717960.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1140333311 is about 33768.8215814529. The cubic root of 1140333311 is about 1044.7457272267.

Adding to 1140333311 its reverse (1133330411), we get a palindrome (2273663722).

The spelling of 1140333311 in words is "one billion, one hundred forty million, three hundred thirty-three thousand, three hundred eleven".