1144994832218 has 8 divisors (see below), whose sum is σ = 1717692052212. Its totient is φ = 572430814816.

The previous prime is 1144994832217. The next prime is 1144994832221. The reversal of 1144994832218 is 8122384994411.

It can be written as a sum of positive squares in 2 ways, for example, as 911809182769 + 233185649449 = 954887^2 + 482893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1144994832218² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1144994832217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33279155 + ... + 33313542.

Almost surely, 2^{1144994832218} is an apocalyptic number.

1144994832218 is a deficient number, since it is larger than the sum of its proper divisors (572697219994).

1144994832218 is an equidigital number, since it uses as much as digits as its factorization.

1144994832218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66601296.

The product of its digits is 3981312, while the sum is 56.

The spelling of 1144994832218 in words is "one trillion, one hundred forty-four billion, nine hundred ninety-four million, eight hundred thirty-two thousand, two hundred eighteen".