1145663411 has 4 divisors (see below), whose sum is σ = 1157474472. Its totient is φ = 1133852352.

The previous prime is 1145663401. The next prime is 1145663429. The reversal of 1145663411 is 1143665411.

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 1145663411 - 2¹⁰ = 1145662387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145663401) 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, 5905385 + ... + 5905578.

It is an arithmetic number, because the mean of its divisors is an integer number (289368618).

Almost surely, 2^1145663411 is an apocalyptic number.

1145663411 is a deficient number, since it is larger than the sum of its proper divisors (11811061).

1145663411 is an equidigital number, since it uses as much as digits as its factorization.

1145663411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11811060.

The product of its digits is 8640, while the sum is 32.

The square root of 1145663411 is about 33847.6500070537. The cubic root of 1145663411 is about 1046.3709670968.

The spelling of 1145663411 in words is "one billion, one hundred forty-five million, six hundred sixty-three thousand, four hundred eleven".