11504256144 has 20 divisors (see below), whose sum is σ = 29719328496. Its totient is φ = 3834752032.

The previous prime is 11504256109. The next prime is 11504256229. The reversal of 11504256144 is 44165240511.

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, 119835954 + ... + 119836049.

Almost surely, 2^11504256144 is an apocalyptic number.

It is an amenable number.

11504256144 is an abundant number, since it is smaller than the sum of its proper divisors (18215072352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11504256144 is a wasteful number, since it uses less digits than its factorization.

11504256144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239672014 (or 239672008 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 11504256144 its reverse (44165240511), we get a palindrome (55669496655).

The spelling of 11504256144 in words is "eleven billion, five hundred four million, two hundred fifty-six thousand, one hundred forty-four".