11188926720 has 864 divisors, whose sum is σ = 44998087680. Its totient is φ = 2548039680.

The previous prime is 11188926713. The next prime is 11188926733. The reversal of 11188926720 is 2762988111.

It is a super-2 number, since 2×11188926720² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 115349712 + ... + 115349808.

It is an arithmetic number, because the mean of its divisors is an integer number (52081120).

Almost surely, 2^11188926720 is an apocalyptic number.

11188926720 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 11188926720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22499043840).

11188926720 is an abundant number, since it is smaller than the sum of its proper divisors (33809160960).

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

11188926720 is a wasteful number, since it uses less digits than its factorization.

11188926720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 11188926720 in words is "eleven billion, one hundred eighty-eight million, nine hundred twenty-six thousand, seven hundred twenty".