11142231465 has 32 divisors (see below), whose sum is σ = 18788273280. Its totient is φ = 5623036416.

The previous prime is 11142231421. The next prime is 11142231517. The reversal of 11142231465 is 56413224111.

It is not a de Polignac number, because 11142231465 - 2⁸ = 11142231209 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220189 + ... + 266021.

It is an arithmetic number, because the mean of its divisors is an integer number (587133540).

Almost surely, 2^11142231465 is an apocalyptic number.

11142231465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11142231465 is a deficient number, since it is larger than the sum of its proper divisors (7646041815).

11142231465 is a wasteful number, since it uses less digits than its factorization.

11142231465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46713.

The product of its digits is 5760, while the sum is 30.

Adding to 11142231465 its reverse (56413224111), we get a palindrome (67555455576).

The spelling of 11142231465 in words is "eleven billion, one hundred forty-two million, two hundred thirty-one thousand, four hundred sixty-five".