11613558336 has 112 divisors (see below), whose sum is σ = 31516320000. Its totient is φ = 3772242432.

The previous prime is 11613558331. The next prime is 11613558377. The reversal of 11613558336 is 63385531611.

It is not an unprimeable number, because it can be changed into a prime (11613558331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4118335 + ... + 4121153.

Almost surely, 2^11613558336 is an apocalyptic number.

11613558336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11613558336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15758160000).

11613558336 is an abundant number, since it is smaller than the sum of its proper divisors (19902761664).

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

11613558336 is a wasteful number, since it uses less digits than its factorization.

11613558336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376 (or 3366 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

It can be divided in two parts, 116135 and 58336, that added together give a palindrome (174471).

The spelling of 11613558336 in words is "eleven billion, six hundred thirteen million, five hundred fifty-eight thousand, three hundred thirty-six".