12555556262 has 4 divisors (see below), whose sum is σ = 18833334396. Its totient is φ = 6277778130.

The previous prime is 12555556259. The next prime is 12555556297. The reversal of 12555556262 is 26265555521.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3138889064 + ... + 3138889067.

It is an arithmetic number, because the mean of its divisors is an integer number (4708333599).

Almost surely, 2^12555556262 is an apocalyptic number.

12555556262 is a deficient number, since it is larger than the sum of its proper divisors (6277778134).

12555556262 is an equidigital number, since it uses as much as digits as its factorization.

12555556262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277778133.

The product of its digits is 900000, while the sum is 44.

The spelling of 12555556262 in words is "twelve billion, five hundred fifty-five million, five hundred fifty-six thousand, two hundred sixty-two".