1161444770000 has 100 divisors (see below), whose sum is σ = 2823183117216. Its totient is φ = 462726000000.

The previous prime is 1161444769931. The next prime is 1161444770021. The reversal of 1161444770000 is 774441611.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2278637 + ... + 2741363.

Almost surely, 2^{1161444770000} is an apocalyptic number.

1161444770000 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 1161444770000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411591558608).

1161444770000 is an abundant number, since it is smaller than the sum of its proper divisors (1661738347216).

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

1161444770000 is an equidigital number, since it uses as much as digits as its factorization.

1161444770000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463006 (or 462985 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 1161444770000 in words is "one trillion, one hundred sixty-one billion, four hundred forty-four million, seven hundred seventy thousand".