11556454412 has 48 divisors (see below), whose sum is σ = 22866520320. Its totient is φ = 5081395200.

The previous prime is 11556454409. The next prime is 11556454421. The reversal of 11556454412 is 21445465511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33389 + ... + 155652.

It is an arithmetic number, because the mean of its divisors is an integer number (476385840).

Almost surely, 2^11556454412 is an apocalyptic number.

It is an amenable number.

11556454412 is a deficient number, since it is larger than the sum of its proper divisors (11310065908).

11556454412 is a wasteful number, since it uses less digits than its factorization.

11556454412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189122 (or 189120 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The spelling of 11556454412 in words is "eleven billion, five hundred fifty-six million, four hundred fifty-four thousand, four hundred twelve".