1144513011 has 4 divisors (see below), whose sum is σ = 1526017352. Its totient is φ = 763008672.

The previous prime is 1144513001. The next prime is 1144513037. The reversal of 1144513011 is 1103154411.

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

It is not a de Polignac number, because 1144513011 - 2⁷ = 1144512883 is a prime.

It is a super-2 number, since 2×1144513011² = 2619820064696572242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144513001) 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, 190752166 + ... + 190752171.

It is an arithmetic number, because the mean of its divisors is an integer number (381504338).

Almost surely, 2^1144513011 is an apocalyptic number.

1144513011 is a deficient number, since it is larger than the sum of its proper divisors (381504341).

1144513011 is an equidigital number, since it uses as much as digits as its factorization.

1144513011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381504340.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1144513011 is about 33830.6519446492. The cubic root of 1144513011 is about 1046.0206174562.

Adding to 1144513011 its reverse (1103154411), we get a palindrome (2247667422).

The spelling of 1144513011 in words is "one billion, one hundred forty-four million, five hundred thirteen thousand, eleven".