11545479842 has 16 divisors (see below), whose sum is σ = 18659676672. Its totient is φ = 5326029840.

The previous prime is 11545479707. The next prime is 11545479857. The reversal of 11545479842 is 24897454511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56834 + ... + 162237.

It is an arithmetic number, because the mean of its divisors is an integer number (1166229792).

Almost surely, 2^11545479842 is an apocalyptic number.

11545479842 is a deficient number, since it is larger than the sum of its proper divisors (7114196830).

11545479842 is a wasteful number, since it uses less digits than its factorization.

11545479842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221113.

The product of its digits is 1612800, while the sum is 50.

The spelling of 11545479842 in words is "eleven billion, five hundred forty-five million, four hundred seventy-nine thousand, eight hundred forty-two".