12513356626161 has 8 divisors (see below), whose sum is σ = 16849668328704. Its totient is φ = 8259641337200.

The previous prime is 12513356626157. The next prime is 12513356626171. The reversal of 12513356626161 is 16162665331521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12513356626161 - 2² = 12513356626157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12513356626161.

It is not an unprimeable number, because it can be changed into a prime (12513356626171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20649103041 + ... + 20649103646.

It is an arithmetic number, because the mean of its divisors is an integer number (2106208541088).

Almost surely, 2^{12513356626161} is an apocalyptic number.

It is an amenable number.

12513356626161 is a deficient number, since it is larger than the sum of its proper divisors (4336311702543).

12513356626161 is a wasteful number, since it uses less digits than its factorization.

12513356626161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41298206791.

The product of its digits is 1166400, while the sum is 48.

The spelling of 12513356626161 in words is "twelve trillion, five hundred thirteen billion, three hundred fifty-six million, six hundred twenty-six thousand, one hundred sixty-one".