11143541465 has 8 divisors (see below), whose sum is σ = 15282571200. Its totient is φ = 7641285552.

The previous prime is 11143541441. The next prime is 11143541527. The reversal of 11143541465 is 56414534111.

11143541465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11143541465 - 2¹² = 11143537369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 318386899 = 11143541465 / (1 + 1 + 1 + 4 + 3 + 5 + 4 + 1 + 4 + 6 + 5).

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 159193415 + ... + 159193484.

It is an arithmetic number, because the mean of its divisors is an integer number (1910321400).

Almost surely, 2^11143541465 is an apocalyptic number.

It is an amenable number.

11143541465 is a deficient number, since it is larger than the sum of its proper divisors (4139029735).

11143541465 is an equidigital number, since it uses as much as digits as its factorization.

11143541465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318386911.

The product of its digits is 28800, while the sum is 35.

The spelling of 11143541465 in words is "eleven billion, one hundred forty-three million, five hundred forty-one thousand, four hundred sixty-five".