12563405612601 has 8 divisors (see below), whose sum is σ = 17067268002240. Its totient is φ = 8217573482352.

The previous prime is 12563405612581. The next prime is 12563405612657. The reversal of 12563405612601 is 10621650436521.

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

It is not a de Polignac number, because 12563405612601 - 2¹⁹ = 12563405088313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12563405612671) 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, 39507564661 + ... + 39507564978.

It is an arithmetic number, because the mean of its divisors is an integer number (2133408500280).

Almost surely, 2^{12563405612601} is an apocalyptic number.

It is an amenable number.

12563405612601 is a deficient number, since it is larger than the sum of its proper divisors (4503862389639).

12563405612601 is an equidigital number, since it uses as much as digits as its factorization.

12563405612601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79015129695.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 12563405612601 in words is "twelve trillion, five hundred sixty-three billion, four hundred five million, six hundred twelve thousand, six hundred one".