11539665848 has 64 divisors (see below), whose sum is σ = 22649220000. Its totient is φ = 5505034752.

The previous prime is 11539665829. The next prime is 11539665859. The reversal of 11539665848 is 84856693511.

Its product of digits (6220800) is a multiple of the sum of its prime factors (1944).

It is a junction number, because it is equal to n+sod(n) for n = 11539665793 and 11539665802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7448978 + ... + 7450526.

Almost surely, 2^11539665848 is an apocalyptic number.

It is an amenable number.

11539665848 is a deficient number, since it is larger than the sum of its proper divisors (11109554152).

11539665848 is a wasteful number, since it uses less digits than its factorization.

11539665848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944 (or 1940 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 56.

The spelling of 11539665848 in words is "eleven billion, five hundred thirty-nine million, six hundred sixty-five thousand, eight hundred forty-eight".