12626052655 has 4 divisors (see below), whose sum is σ = 15151263192. Its totient is φ = 10100842120.

The previous prime is 12626052631. The next prime is 12626052661. The reversal of 12626052655 is 55625062621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55625062621 = 337 ⋅165059533.

It is not a de Polignac number, because 12626052655 - 2⁹ = 12626052143 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1262605261 + ... + 1262605270.

It is an arithmetic number, because the mean of its divisors is an integer number (3787815798).

Almost surely, 2^12626052655 is an apocalyptic number.

12626052655 is a deficient number, since it is larger than the sum of its proper divisors (2525210537).

12626052655 is an equidigital number, since it uses as much as digits as its factorization.

12626052655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525210536.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 12626052655 in words is "twelve billion, six hundred twenty-six million, fifty-two thousand, six hundred fifty-five".