12541133114521 has 4 divisors (see below), whose sum is σ = 13681236124944. Its totient is φ = 11401030104100.

The previous prime is 12541133114501. The next prime is 12541133114579.

12541133114521 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12541133114521 - 2²⁵ = 12541099560089 is a prime.

It is a super-2 number, since 2×12541133114521² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12541133114501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570051505195 + ... + 570051505216.

It is an arithmetic number, because the mean of its divisors is an integer number (3420309031236).

Almost surely, 2^{12541133114521} is an apocalyptic number.

12541133114521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12541133114521 is a deficient number, since it is larger than the sum of its proper divisors (1140103010423).

12541133114521 is a wasteful number, since it uses less digits than its factorization.

12541133114521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140103010422.

The product of its digits is 14400, while the sum is 34.

It can be divided in two parts, 1254113 and 3114521, that added together give a palindrome (4368634).

The spelling of 12541133114521 in words is "twelve trillion, five hundred forty-one billion, one hundred thirty-three million, one hundred fourteen thousand, five hundred twenty-one".