1161482281968 has 160 divisors (see below), whose sum is σ = 3077156174400. Its totient is φ = 377431031808.

The previous prime is 1161482281867. The next prime is 1161482282003. The reversal of 1161482281968 is 8691822841611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87791578 + ... + 87804806.

It is an arithmetic number, because the mean of its divisors is an integer number (19232226090).

Almost surely, 2^{1161482281968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1161482281968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1538578087200).

1161482281968 is an abundant number, since it is smaller than the sum of its proper divisors (1915673892432).

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

1161482281968 is a wasteful number, since it uses less digits than its factorization.

1161482281968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13619 (or 13613 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 57.

The spelling of 1161482281968 in words is "one trillion, one hundred sixty-one billion, four hundred eighty-two million, two hundred eighty-one thousand, nine hundred sixty-eight".