11530450052 has 24 divisors (see below), whose sum is σ = 22028418720. Its totient is φ = 5237365760.

The previous prime is 11530450027. The next prime is 11530450069. The reversal of 11530450052 is 25005403511.

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, 30998 + ... + 154989.

It is an arithmetic number, because the mean of its divisors is an integer number (917850780).

Almost surely, 2^11530450052 is an apocalyptic number.

It is an amenable number.

11530450052 is a deficient number, since it is larger than the sum of its proper divisors (10497968668).

11530450052 is a wasteful number, since it uses less digits than its factorization.

11530450052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187411 (or 187409 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 11530450052 its reverse (25005403511), we get a palindrome (36535853563).

The spelling of 11530450052 in words is "eleven billion, five hundred thirty million, four hundred fifty thousand, fifty-two".