12641106501 has 24 divisors (see below), whose sum is σ = 18375552000. Its totient is φ = 8373940512.

The previous prime is 12641106493. The next prime is 12641106523. The reversal of 12641106501 is 10560114621.

12641106501 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 1 + 1 + 0 + 650 + 1 = 666.

It is not a de Polignac number, because 12641106501 - 2³ = 12641106493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12641105501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1024195 + ... + 1036463.

It is an arithmetic number, because the mean of its divisors is an integer number (765648000).

Almost surely, 2^12641106501 is an apocalyptic number.

It is an amenable number.

12641106501 is a deficient number, since it is larger than the sum of its proper divisors (5734445499).

12641106501 is a wasteful number, since it uses less digits than its factorization.

12641106501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12993 (or 12990 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 12641106501 in words is "twelve billion, six hundred forty-one million, one hundred six thousand, five hundred one".