1140101311 has 4 divisors (see below), whose sum is σ = 1207166112. Its totient is φ = 1073036512.

The previous prime is 1140101297. The next prime is 1140101341. The reversal of 1140101311 is 1131010411.

It is a happy number.

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 1140101311 - 2⁹ = 1140100799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140101291 and 1140101300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140101341) 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, 33532375 + ... + 33532408.

It is an arithmetic number, because the mean of its divisors is an integer number (301791528).

Almost surely, 2^1140101311 is an apocalyptic number.

1140101311 is a deficient number, since it is larger than the sum of its proper divisors (67064801).

1140101311 is an equidigital number, since it uses as much as digits as its factorization.

1140101311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67064800.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1140101311 is about 33765.3862853663. The cubic root of 1140101311 is about 1044.6748714966.

Adding to 1140101311 its reverse (1131010411), we get a palindrome (2271111722).

The spelling of 1140101311 in words is "one billion, one hundred forty million, one hundred one thousand, three hundred eleven".