11545479843 has 8 divisors (see below), whose sum is σ = 15395154000. Its totient is φ = 7696396128.

The previous prime is 11545479707. The next prime is 11545479857. The reversal of 11545479843 is 34897454511.

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

It is not a de Polignac number, because 11545479843 - 2¹⁸ = 11545217699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11545479863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99768 + ... + 181781.

It is an arithmetic number, because the mean of its divisors is an integer number (1924394250).

Almost surely, 2^11545479843 is an apocalyptic number.

11545479843 is a deficient number, since it is larger than the sum of its proper divisors (3849674157).

11545479843 is a wasteful number, since it uses less digits than its factorization.

11545479843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295221.

The product of its digits is 2419200, while the sum is 51.

The spelling of 11545479843 in words is "eleven billion, five hundred forty-five million, four hundred seventy-nine thousand, eight hundred forty-three".