13126410666657 has 36 divisors (see below), whose sum is σ = 20482671821040. Its totient is φ = 8096582888832.

The previous prime is 13126410666653. The next prime is 13126410666661. The reversal of 13126410666657 is 75666601462131.

It is an interprime number because it is at equal distance from previous prime (13126410666653) and next prime (13126410666661).

It is not a de Polignac number, because 13126410666657 - 2² = 13126410666653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13126410666653) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42615003 + ... + 42921920.

It is an arithmetic number, because the mean of its divisors is an integer number (568963106140).

Almost surely, 2^{13126410666657} is an apocalyptic number.

13126410666657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13126410666657 is a deficient number, since it is larger than the sum of its proper divisors (7356261154383).

13126410666657 is a wasteful number, since it uses less digits than its factorization.

13126410666657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85537022 (or 85537002 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 13126410666657 in words is "thirteen trillion, one hundred twenty-six billion, four hundred ten million, six hundred sixty-six thousand, six hundred fifty-seven".