1144578891160 has 32 divisors (see below), whose sum is σ = 2575508529600. Its totient is φ = 457794929920.

The previous prime is 1144578891109. The next prime is 1144578891167. The reversal of 1144578891160 is 611988754411.

It is a super-3 number, since 3×1144578891160³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144578891167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635536 + ... + 1641055.

It is an arithmetic number, because the mean of its divisors is an integer number (80484641550).

Almost surely, 2^{1144578891160} is an apocalyptic number.

1144578891160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144578891160 is an abundant number, since it is smaller than the sum of its proper divisors (1430929638440).

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

1144578891160 is a wasteful number, since it uses less digits than its factorization.

1144578891160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289171 (or 2289167 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 55.

The spelling of 1144578891160 in words is "one trillion, one hundred forty-four billion, five hundred seventy-eight million, eight hundred ninety-one thousand, one hundred sixty".