1145665411 has 8 divisors (see below), whose sum is σ = 1323335664. Its totient is φ = 980248320.

The previous prime is 1145665393. The next prime is 1145665457.

1145665411 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145665411 - 2⁹ = 1145664899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145665471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3063090 + ... + 3063463.

It is an arithmetic number, because the mean of its divisors is an integer number (165416958).

Almost surely, 2^1145665411 is an apocalyptic number.

1145665411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1145665411 is a deficient number, since it is larger than the sum of its proper divisors (177670253).

1145665411 is a wasteful number, since it uses less digits than its factorization.

1145665411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126581.

The product of its digits is 14400, while the sum is 34.

The square root of 1145665411 is about 33847.6795511893. The cubic root of 1145665411 is about 1046.3715759843.

It can be divided in two parts, 11456 and 65411, that added together give a palindrome (76867).

The spelling of 1145665411 in words is "one billion, one hundred forty-five million, six hundred sixty-five thousand, four hundred eleven".