2064555432505 has 32 divisors (see below), whose sum is σ = 2597186592000. Its totient is φ = 1574049335040.

The previous prime is 2064555432487. The next prime is 2064555432607. The reversal of 2064555432505 is 5052345554602.

It is not a de Polignac number, because 2064555432505 - 2⁷ = 2064555432377 is a prime.

It is a super-2 number, since 2×2064555432505² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1561996 + ... + 2562994.

It is an arithmetic number, because the mean of its divisors is an integer number (81162081000).

Almost surely, 2^{2064555432505} is an apocalyptic number.

It is an amenable number.

2064555432505 is a deficient number, since it is larger than the sum of its proper divisors (532631159495).

2064555432505 is a wasteful number, since it uses less digits than its factorization.

2064555432505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001281.

The product of its (nonzero) digits is 3600000, while the sum is 46.

The spelling of 2064555432505 in words is "two trillion, sixty-four billion, five hundred fifty-five million, four hundred thirty-two thousand, five hundred five".