12655052251616 has 24 divisors (see below), whose sum is σ = 26225930654280. Its totient is φ = 5994498434688.

The previous prime is 12655052251613. The next prime is 12655052251631. The reversal of 12655052251616 is 61615225055621.

12655052251616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12655052251616² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12655052251613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10407114731 + ... + 10407115946.

It is an arithmetic number, because the mean of its divisors is an integer number (1092747110595).

Almost surely, 2^{12655052251616} is an apocalyptic number.

12655052251616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12655052251616 is an abundant number, since it is smaller than the sum of its proper divisors (13570878402664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12655052251616 is a wasteful number, since it uses less digits than its factorization.

12655052251616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20814230706 (or 20814230698 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 47.

The spelling of 12655052251616 in words is "twelve trillion, six hundred fifty-five billion, fifty-two million, two hundred fifty-one thousand, six hundred sixteen".