1061299011584 has 120 divisors (see below), whose sum is σ = 2431180332000. Its totient is φ = 453824741376.

The previous prime is 1061299011571. The next prime is 1061299011593. The reversal of 1061299011584 is 4851109921601.

It is a super-2 number, since 2×1061299011584² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52402292 + ... + 52422540.

It is an arithmetic number, because the mean of its divisors is an integer number (20259836100).

Almost surely, 2^{1061299011584} is an apocalyptic number.

1061299011584 is a gapful number since it is divisible by the number (14) 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 1061299011584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215590166000).

1061299011584 is an abundant number, since it is smaller than the sum of its proper divisors (1369881320416).

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

1061299011584 is an frugal number, since it uses more digits than its factorization.

1061299011584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20741 (or 20715 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 47.

The spelling of 1061299011584 in words is "one trillion, sixty-one billion, two hundred ninety-nine million, eleven thousand, five hundred eighty-four".