12564724236045 has 64 divisors (see below), whose sum is σ = 20391583500288. Its totient is φ = 6606079200000.

The previous prime is 12564724236041. The next prime is 12564724236049. The reversal of 12564724236045 is 54063242746521.

It is an interprime number because it is at equal distance from previous prime (12564724236041) and next prime (12564724236049).

It is not a de Polignac number, because 12564724236045 - 2² = 12564724236041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12564724236041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143745424 + ... + 143832806.

It is an arithmetic number, because the mean of its divisors is an integer number (318618492192).

Almost surely, 2^{12564724236045} is an apocalyptic number.

12564724236045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12564724236045 is a deficient number, since it is larger than the sum of its proper divisors (7826859264243).

12564724236045 is a wasteful number, since it uses less digits than its factorization.

12564724236045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88034.

The product of its (nonzero) digits is 9676800, while the sum is 51.

The spelling of 12564724236045 in words is "twelve trillion, five hundred sixty-four billion, seven hundred twenty-four million, two hundred thirty-six thousand, forty-five".