1043061326645 has 16 divisors (see below), whose sum is σ = 1348992377712. Its totient is φ = 769668556800.

The previous prime is 1043061326627. The next prime is 1043061326653. The reversal of 1043061326645 is 5466231603401.

It can be written as a sum of positive squares in 8 ways, for example, as 64590189316 + 978471137329 = 254146^2 + 989177^2 .

It is not a de Polignac number, because 1043061326645 - 2⁸ = 1043061326389 is a prime.

It is a super-2 number, since 2×1043061326645² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6082652 + ... + 6251781.

It is an arithmetic number, because the mean of its divisors is an integer number (84312023607).

Almost surely, 2^{1043061326645} is an apocalyptic number.

It is an amenable number.

1043061326645 is a deficient number, since it is larger than the sum of its proper divisors (305931051067).

1043061326645 is a wasteful number, since it uses less digits than its factorization.

1043061326645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12335752.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 1043061326645 in words is "one trillion, forty-three billion, sixty-one million, three hundred twenty-six thousand, six hundred forty-five".