11573467506 has 24 divisors (see below), whose sum is σ = 25334363964. Its totient is φ = 3818050560.

The previous prime is 11573467481. The next prime is 11573467559. The reversal of 11573467506 is 60576437511.

11573467506 is a `hidden beast` number, since 1 + 1 + 57 + 34 + 67 + 506 = 666.

11573467506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11532826881 + 40640625 = 107391^2 + 6375^2 .

It is a super-2 number, since 2×11573467506² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3312535 + ... + 3316026.

Almost surely, 2^11573467506 is an apocalyptic number.

11573467506 is an abundant number, since it is smaller than the sum of its proper divisors (13760896458).

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

11573467506 is a wasteful number, since it uses less digits than its factorization.

11573467506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628666 (or 6628663 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 11573467506 in words is "eleven billion, five hundred seventy-three million, four hundred sixty-seven thousand, five hundred six".