12564305225510 has 16 divisors (see below), whose sum is σ = 22615790046336. Its totient is φ = 5025713059008.

The previous prime is 12564305225447. The next prime is 12564305225519. The reversal of 12564305225510 is 1552250346521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12564305225519) 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, 9316427 + ... + 10579433.

It is an arithmetic number, because the mean of its divisors is an integer number (1413486877896).

Almost surely, 2^{12564305225510} is an apocalyptic number.

12564305225510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12564305225510 is a deficient number, since it is larger than the sum of its proper divisors (10051484820826).

12564305225510 is a wasteful number, since it uses less digits than its factorization.

12564305225510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257807.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 12564305225510 in words is "twelve trillion, five hundred sixty-four billion, three hundred five million, two hundred twenty-five thousand, five hundred ten".