1144338011 has 4 divisors (see below), whose sum is σ = 1145049072. Its totient is φ = 1143626952.

The previous prime is 1144338007. The next prime is 1144338037. The reversal of 1144338011 is 1108334411.

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 1144338011 - 2² = 1144338007 is a prime.

It is a super-2 number, since 2×1144338011² = 2619018966838872242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144331011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353111 + ... + 356336.

It is an arithmetic number, because the mean of its divisors is an integer number (286262268).

Almost surely, 2^1144338011 is an apocalyptic number.

1144338011 is a deficient number, since it is larger than the sum of its proper divisors (711061).

1144338011 is an equidigital number, since it uses as much as digits as its factorization.

1144338011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711060.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1144338011 is about 33828.0654338967. The cubic root of 1144338011 is about 1045.9673013480.

The spelling of 1144338011 in words is "one billion, one hundred forty-four million, three hundred thirty-eight thousand, eleven".