11480531544 has 32 divisors (see below), whose sum is σ = 31890366000. Its totient is φ = 3826843776.

The previous prime is 11480531533. The next prime is 11480531551. The reversal of 11480531544 is 44513508411.

11480531544 is a `hidden beast` number, since 1 + 1 + 4 + 80 + 5 + 31 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11480531499 and 11480531508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26575089 + ... + 26575520.

Almost surely, 2^11480531544 is an apocalyptic number.

It is an amenable number.

11480531544 is an abundant number, since it is smaller than the sum of its proper divisors (20409834456).

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

11480531544 is a wasteful number, since it uses less digits than its factorization.

11480531544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53150624 (or 53150614 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 11480531544 in words is "eleven billion, four hundred eighty million, five hundred thirty-one thousand, five hundred forty-four".