11604556854 has 96 divisors (see below), whose sum is σ = 28788649344. Its totient is φ = 3474031680.

The previous prime is 11604556849. The next prime is 11604556867. The reversal of 11604556854 is 45865540611.

11604556854 is a `hidden beast` number, since 1 + 16 + 0 + 4 + 556 + 85 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 430642 + ... + 456794.

It is an arithmetic number, because the mean of its divisors is an integer number (299881764).

Almost surely, 2^11604556854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11604556854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14394324672).

11604556854 is an abundant number, since it is smaller than the sum of its proper divisors (17184092490).

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

11604556854 is a wasteful number, since it uses less digits than its factorization.

11604556854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26264 (or 26252 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 11604556854 in words is "eleven billion, six hundred four million, five hundred fifty-six thousand, eight hundred fifty-four".