1004134545565 has 16 divisors (see below), whose sum is σ = 1206178691760. Its totient is φ = 802496558080.

The previous prime is 1004134545563. The next prime is 1004134545569. The reversal of 1004134545565 is 5655454314001.

It can be written as a sum of positive squares in 8 ways, for example, as 86023716804 + 918110828761 = 293298^2 + 958181^2 .

It is not a de Polignac number, because 1004134545565 - 2¹ = 1004134545563 is a prime.

It is a super-2 number, since 2×1004134545565² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004134545563) 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, 21142245 + ... + 21189685.

It is an arithmetic number, because the mean of its divisors is an integer number (75386168235).

Almost surely, 2^{1004134545565} is an apocalyptic number.

It is an amenable number.

1004134545565 is a deficient number, since it is larger than the sum of its proper divisors (202044146195).

1004134545565 is a wasteful number, since it uses less digits than its factorization.

1004134545565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51632.

The product of its (nonzero) digits is 720000, while the sum is 43.

Adding to 1004134545565 its reverse (5655454314001), we get a palindrome (6659588859566).

The spelling of 1004134545565 in words is "one trillion, four billion, one hundred thirty-four million, five hundred forty-five thousand, five hundred sixty-five".