11613027888 has 640 divisors, whose sum is σ = 44500008960. Its totient is φ = 2810142720.

The previous prime is 11613027859. The next prime is 11613027901. The reversal of 11613027888 is 88872031611.

It is a happy number.

11613027888 is a `hidden beast` number, since 1 + 1 + 613 + 0 + 27 + 8 + 8 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32897920 + ... + 32898272.

It is an arithmetic number, because the mean of its divisors is an integer number (69531264).

Almost surely, 2^11613027888 is an apocalyptic number.

11613027888 is a gapful number since it is divisible by the number (18) 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 11613027888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22250004480).

11613027888 is an abundant number, since it is smaller than the sum of its proper divisors (32886981072).

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

11613027888 is a wasteful number, since it uses less digits than its factorization.

11613027888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 11613027888 in words is "eleven billion, six hundred thirteen million, twenty-seven thousand, eight hundred eighty-eight".