1065261361333 has 16 divisors (see below), whose sum is σ = 1173943414336. Its totient is φ = 960401473920.

The previous prime is 1065261361319. The next prime is 1065261361361. The reversal of 1065261361333 is 3331631625601.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1065261361333 - 2¹³ = 1065261353141 is a prime.

It is a super-2 number, since 2×1065261361333² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065261361313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15296953 + ... + 15366433.

It is an arithmetic number, because the mean of its divisors is an integer number (73371463396).

Almost surely, 2^{1065261361333} is an apocalyptic number.

1065261361333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1065261361333 is a deficient number, since it is larger than the sum of its proper divisors (108682053003).

1065261361333 is a wasteful number, since it uses less digits than its factorization.

1065261361333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96964.

The product of its (nonzero) digits is 174960, while the sum is 40.

Adding to 1065261361333 its reverse (3331631625601), we get a palindrome (4396892986934).

The spelling of 1065261361333 in words is "one trillion, sixty-five billion, two hundred sixty-one million, three hundred sixty-one thousand, three hundred thirty-three".