12259841555 has 16 divisors (see below), whose sum is σ = 16060527840. Its totient is φ = 8929398528.

The previous prime is 12259841527. The next prime is 12259841563. The reversal of 12259841555 is 55514895221.

It is a cyclic number.

It is not a de Polignac number, because 12259841555 - 2¹² = 12259837459 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287125 + ... + 1296614.

It is an arithmetic number, because the mean of its divisors is an integer number (1003782990).

Almost surely, 2^12259841555 is an apocalyptic number.

12259841555 is a deficient number, since it is larger than the sum of its proper divisors (3800686285).

12259841555 is a wasteful number, since it uses less digits than its factorization.

12259841555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583830.

The product of its digits is 720000, while the sum is 47.

The spelling of 12259841555 in words is "twelve billion, two hundred fifty-nine million, eight hundred forty-one thousand, five hundred fifty-five".