11147310720 has 1280 divisors, whose sum is σ = 52251091200. Its totient is φ = 2197684224.

The previous prime is 11147310673. The next prime is 11147310731. The reversal of 11147310720 is 2701374111.

11147310720 is a `hidden beast` number, since 111 + 473 + 10 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 80196411 + ... + 80196549.

It is an arithmetic number, because the mean of its divisors is an integer number (40821165).

Almost surely, 2^11147310720 is an apocalyptic number.

11147310720 is a gapful number since it is divisible by the number (10) 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 11147310720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26125545600).

11147310720 is an abundant number, since it is smaller than the sum of its proper divisors (41103780480).

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

11147310720 is a wasteful number, since it uses less digits than its factorization.

11147310720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

Adding to 11147310720 its reverse (2701374111), we get a palindrome (13848684831).

The spelling of 11147310720 in words is "eleven billion, one hundred forty-seven million, three hundred ten thousand, seven hundred twenty".