12325580137663 has 16 divisors (see below), whose sum is σ = 13733902284480. Its totient is φ = 10983143033856.

The previous prime is 12325580137657. The next prime is 12325580137681. The reversal of 12325580137663 is 36673108552321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12325580137663 is a prime.

It is a super-2 number, since 2×12325580137663² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12325580137663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12325580137163) 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, 873970 + ... + 5041327.

It is an arithmetic number, because the mean of its divisors is an integer number (858368892780).

Almost surely, 2^{12325580137663} is an apocalyptic number.

12325580137663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12325580137663 is a deficient number, since it is larger than the sum of its proper divisors (1408322146817).

12325580137663 is a wasteful number, since it uses less digits than its factorization.

12325580137663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5920866.

The product of its (nonzero) digits is 5443200, while the sum is 52.

Adding to 12325580137663 its reverse (36673108552321), we get a palindrome (48998688689984).

The spelling of 12325580137663 in words is "twelve trillion, three hundred twenty-five billion, five hundred eighty million, one hundred thirty-seven thousand, six hundred sixty-three".