11545136548 has 12 divisors (see below), whose sum is σ = 22040715312. Its totient is φ = 5247789320.

The previous prime is 11545136539. The next prime is 11545136563. The reversal of 11545136548 is 84563154511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131194690 + ... + 131194777.

It is an arithmetic number, because the mean of its divisors is an integer number (1836726276).

Almost surely, 2^11545136548 is an apocalyptic number.

It is an amenable number.

11545136548 is a deficient number, since it is larger than the sum of its proper divisors (10495578764).

11545136548 is a wasteful number, since it uses less digits than its factorization.

11545136548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262389482 (or 262389480 counting only the distinct ones).

The product of its digits is 288000, while the sum is 43.

The spelling of 11545136548 in words is "eleven billion, five hundred forty-five million, one hundred thirty-six thousand, five hundred forty-eight".