1064517640001 has 4 divisors (see below), whose sum is σ = 1065288472404. Its totient is φ = 1063746807600.

The previous prime is 1064517639961. The next prime is 1064517640003. The reversal of 1064517640001 is 1000467154601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 391093890625 + 673423749376 = 625375^2 + 820624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1064517640001 - 2¹⁸ = 1064517377857 is a prime.

It is a super-2 number, since 2×1064517640001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1064517640003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385414130 + ... + 385416891.

It is an arithmetic number, because the mean of its divisors is an integer number (266322118101).

Almost surely, 2^{1064517640001} is an apocalyptic number.

It is an amenable number.

1064517640001 is a deficient number, since it is larger than the sum of its proper divisors (770832403).

1064517640001 is an equidigital number, since it uses as much as digits as its factorization.

1064517640001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770832402.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 1064517640001 in words is "one trillion, sixty-four billion, five hundred seventeen million, six hundred forty thousand, one".