11188450345000 has 160 divisors (see below), whose sum is σ = 26785370937600. Its totient is φ = 4378020192000.

The previous prime is 11188450344991. The next prime is 11188450345003. The reversal of 11188450345000 is 54305488111.

It is a super-2 number, since 2×11188450345000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (11188450345003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 533204509 + ... + 533225491.

It is an arithmetic number, because the mean of its divisors is an integer number (167408568360).

Almost surely, 2^{11188450345000} is an apocalyptic number.

11188450345000 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 11188450345000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13392685468800).

11188450345000 is an abundant number, since it is smaller than the sum of its proper divisors (15596920592600).

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

11188450345000 is a wasteful number, since it uses less digits than its factorization.

11188450345000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23325 (or 23306 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 40.

The spelling of 11188450345000 in words is "eleven trillion, one hundred eighty-eight billion, four hundred fifty million, three hundred forty-five thousand".