2065405871104 has 99 divisors (see below), whose sum is σ = 4180828276557. Its totient is φ = 1019849048064.

The previous prime is 2065405871099. The next prime is 2065405871171. The reversal of 2065405871104 is 4011785045602.

The square root of 2065405871104 is 1437152.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 927446041600 + 1137959829504 = 963040^2 + 1066752^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4460919577 + ... + 4460920039.

Almost surely, 2^{2065405871104} is an apocalyptic number.

2065405871104 is the 1437152-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2065405871104

2065405871104 is an abundant number, since it is smaller than the sum of its proper divisors (2115422405453).

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

2065405871104 is an frugal number, since it uses more digits than its factorization.

2065405871104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 2065405871104 in words is "two trillion, sixty-five billion, four hundred five million, eight hundred seventy-one thousand, one hundred four".