10645622520545 has 4 divisors (see below), whose sum is σ = 12774747024660. Its totient is φ = 8516498016432.

The previous prime is 10645622520503. The next prime is 10645622520583. The reversal of 10645622520545 is 54502522654601.

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 5134171388641 + 5511451131904 = 2265871^2 + 2347648^2 .

It is a cyclic number.

It is not a de Polignac number, because 10645622520545 - 2⁸ = 10645622520289 is a prime.

It is a super-2 number, since 2×10645622520545² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10645622520545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064562252050 + ... + 1064562252059.

It is an arithmetic number, because the mean of its divisors is an integer number (3193686756165).

Almost surely, 2^{10645622520545} is an apocalyptic number.

It is an amenable number.

10645622520545 is a deficient number, since it is larger than the sum of its proper divisors (2129124504115).

10645622520545 is an equidigital number, since it uses as much as digits as its factorization.

10645622520545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129124504114.

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 10645622520545 in words is "ten trillion, six hundred forty-five billion, six hundred twenty-two million, five hundred twenty thousand, five hundred forty-five".