12655120871508 has 48 divisors (see below), whose sum is σ = 29543785951680. Its totient is φ = 4216206816000.

The previous prime is 12655120871507. The next prime is 12655120871563. The reversal of 12655120871508 is 80517802155621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12655120871507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322971678 + ... + 323010858.

It is an arithmetic number, because the mean of its divisors is an integer number (615495540660).

Almost surely, 2^{12655120871508} is an apocalyptic number.

It is an amenable number.

12655120871508 is an abundant number, since it is smaller than the sum of its proper divisors (16888665080172).

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

12655120871508 is a wasteful number, since it uses less digits than its factorization.

12655120871508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52328 (or 52326 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 51.

The spelling of 12655120871508 in words is "twelve trillion, six hundred fifty-five billion, one hundred twenty million, eight hundred seventy-one thousand, five hundred eight".