12259842855 has 32 divisors (see below), whose sum is σ = 21140118720. Its totient is φ = 6031196160.

The previous prime is 12259842839. The next prime is 12259842863. The reversal of 12259842855 is 55824895221.

It is a happy number.

It is not a de Polignac number, because 12259842855 - 2⁴ = 12259842839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12259842798 and 12259842807.

It is a congruent number.

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, 252445 + ... + 297065.

It is an arithmetic number, because the mean of its divisors is an integer number (660628710).

Almost surely, 2^12259842855 is an apocalyptic number.

12259842855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12259842855 is a deficient number, since it is larger than the sum of its proper divisors (8880275865).

12259842855 is a wasteful number, since it uses less digits than its factorization.

12259842855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46051.

The product of its digits is 2304000, while the sum is 51.

The spelling of 12259842855 in words is "twelve billion, two hundred fifty-nine million, eight hundred forty-two thousand, eight hundred fifty-five".