12463645431615 has 16 divisors (see below), whose sum is σ = 22790665932288. Its totient is φ = 5697666482976.

The previous prime is 12463645431599. The next prime is 12463645431619. The reversal of 12463645431615 is 51613454636421.

It is not a de Polignac number, because 12463645431615 - 2⁴ = 12463645431599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12463645431619) 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, 59350692427 + ... + 59350692636.

It is an arithmetic number, because the mean of its divisors is an integer number (1424416620768).

Almost surely, 2^{12463645431615} is an apocalyptic number.

12463645431615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12463645431615 is a deficient number, since it is larger than the sum of its proper divisors (10327020500673).

12463645431615 is a wasteful number, since it uses less digits than its factorization.

12463645431615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118701385078.

The product of its digits is 6220800, while the sum is 51.

The spelling of 12463645431615 in words is "twelve trillion, four hundred sixty-three billion, six hundred forty-five million, four hundred thirty-one thousand, six hundred fifteen".