10645255243615 has 16 divisors (see below), whose sum is σ = 13404178598400. Its totient is φ = 8100426417952.

The previous prime is 10645255243559. The next prime is 10645255243627. The reversal of 10645255243615 is 51634255254601.

It is a cyclic number.

It is not a de Polignac number, because 10645255243615 - 2¹¹ = 10645255241567 is a prime.

It is a super-2 number, since 2×10645255243615² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258547675 + ... + 258588844.

It is an arithmetic number, because the mean of its divisors is an integer number (837761162400).

Almost surely, 2^{10645255243615} is an apocalyptic number.

10645255243615 is a deficient number, since it is larger than the sum of its proper divisors (2758923354785).

10645255243615 is a wasteful number, since it uses less digits than its factorization.

10645255243615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517136726.

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 10645255243615 in words is "ten trillion, six hundred forty-five billion, two hundred fifty-five million, two hundred forty-three thousand, six hundred fifteen".