113636549772 has 18 divisors (see below), whose sum is σ = 287247945348. Its totient is φ = 37878849912.

The previous prime is 113636549749. The next prime is 113636549783. The reversal of 113636549772 is 277945636311.

113636549772 is a `hidden beast` number, since 113 + 6 + 36 + 5 + 497 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1578285378 + ... + 1578285449.

It is an arithmetic number, because the mean of its divisors is an integer number (15958219186).

Almost surely, 2^113636549772 is an apocalyptic number.

113636549772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113636549772 is an abundant number, since it is smaller than the sum of its proper divisors (173611395576).

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

113636549772 is a wasteful number, since it uses less digits than its factorization.

113636549772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156570837 (or 3156570832 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The spelling of 113636549772 in words is "one hundred thirteen billion, six hundred thirty-six million, five hundred forty-nine thousand, seven hundred seventy-two".