10645256032205 has 8 divisors (see below), whose sum is σ = 12774528988152. Its totient is φ = 8516056992768.

The previous prime is 10645256032181. The next prime is 10645256032379. The reversal of 10645256032205 is 50223065254601.

It can be written as a sum of positive squares in 4 ways, for example, as 2722770606724 + 7922485425481 = 1650082^2 + 2814691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10645256032205 is a prime.

It is a super-2 number, since 2×10645256032205² (a number of 27 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 7 ways as a sum of consecutive naturals, for example, 18161792 + ... + 18738761.

It is an arithmetic number, because the mean of its divisors is an integer number (1596816123519).

Almost surely, 2^{10645256032205} is an apocalyptic number.

It is an amenable number.

10645256032205 is a deficient number, since it is larger than the sum of its proper divisors (2129272955947).

10645256032205 is an equidigital number, since it uses as much as digits as its factorization.

10645256032205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36958255.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 10645256032205 in words is "ten trillion, six hundred forty-five billion, two hundred fifty-six million, thirty-two thousand, two hundred five".