12525406044554 has 24 divisors (see below), whose sum is σ = 20397639532032. Its totient is φ = 5765862694800.

The previous prime is 12525406044517. The next prime is 12525406044607. The reversal of 12525406044554 is 45544060452521.

It is a junction number, because it is equal to n+sod(n) for n = 12525406044499 and 12525406044508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48248372 + ... + 48507279.

It is an arithmetic number, because the mean of its divisors is an integer number (849901647168).

Almost surely, 2^{12525406044554} is an apocalyptic number.

12525406044554 is a deficient number, since it is larger than the sum of its proper divisors (7872233487478).

12525406044554 is a wasteful number, since it uses less digits than its factorization.

12525406044554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96756062 (or 96756049 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 47.

The spelling of 12525406044554 in words is "twelve trillion, five hundred twenty-five billion, four hundred six million, forty-four thousand, five hundred fifty-four".