12506425322553 has 24 divisors (see below), whose sum is σ = 18464817211776. Its totient is φ = 8153310866400.

The previous prime is 12506425322543. The next prime is 12506425322561. The reversal of 12506425322553 is 35522352460521.

12506425322553 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 6 + 42 + 53 + 2 + 2 + 553 = 666.

It is not a de Polignac number, because 12506425322553 - 2⁸ = 12506425322297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12506425322499 and 12506425322508.

It is not an unprimeable number, because it can be changed into a prime (12506425322543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12017803 + ... + 13016928.

It is an arithmetic number, because the mean of its divisors is an integer number (769367383824).

Almost surely, 2^{12506425322553} is an apocalyptic number.

It is an amenable number.

12506425322553 is a deficient number, since it is larger than the sum of its proper divisors (5958391889223).

12506425322553 is a wasteful number, since it uses less digits than its factorization.

12506425322553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25035965 (or 25035962 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 12506425322553 in words is "twelve trillion, five hundred six billion, four hundred twenty-five million, three hundred twenty-two thousand, five hundred fifty-three".