12532455423521 has 8 divisors (see below), whose sum is σ = 13671877044000. Its totient is φ = 11393051718240.

The previous prime is 12532455423493. The next prime is 12532455423547.

12532455423521 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12532455423521 - 2⁶ = 12532455423457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12532455423581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2994731 + ... + 5833808.

It is an arithmetic number, because the mean of its divisors is an integer number (1708984630500).

Almost surely, 2^{12532455423521} is an apocalyptic number.

12532455423521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12532455423521 is a deficient number, since it is larger than the sum of its proper divisors (1139421620479).

12532455423521 is a wasteful number, since it uses less digits than its factorization.

12532455423521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8957599.

The product of its digits is 1440000, while the sum is 44.

It can be divided in two parts, 1253245 and 5423521, that added together give a palindrome (6676766).

The spelling of 12532455423521 in words is "twelve trillion, five hundred thirty-two billion, four hundred fifty-five million, four hundred twenty-three thousand, five hundred twenty-one".