1144664411 has 10 divisors (see below), whose sum is σ = 1261212060. Its totient is φ = 1030301000.

The previous prime is 1144664407. The next prime is 1144664419.

1144664411 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1144664411 - 2² = 1144664407 is a prime.

It is a super-2 number, since 2×1144664411² = 2620513227619953842, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1144664419) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11333261 + ... + 11333361.

It is an arithmetic number, because the mean of its divisors is an integer number (126121206).

Almost surely, 2^1144664411 is an apocalyptic number.

1144664411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1144664411 is a deficient number, since it is larger than the sum of its proper divisors (116547649).

1144664411 is an frugal number, since it uses more digits than its factorization.

1144664411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 112 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 1144664411 is about 33832.8894864154. The cubic root of 1144664411 is about 1046.0667391217.

It can be divided in two parts, 11446 and 64411, that added together give a palindrome (75857).

The spelling of 1144664411 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, four hundred eleven".