12511326651241 has 16 divisors (see below), whose sum is σ = 14243941536768. Its totient is φ = 10878040285200.

The previous prime is 12511326651169. The next prime is 12511326651253. The reversal of 12511326651241 is 14215662311521.

It is not a de Polignac number, because 12511326651241 - 2²⁹ = 12510789780329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12511326651194 and 12511326651203.

It is not an unprimeable number, because it can be changed into a prime (12511326651281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113675 + ... + 5124736.

It is an arithmetic number, because the mean of its divisors is an integer number (890246346048).

Almost surely, 2^{12511326651241} is an apocalyptic number.

12511326651241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12511326651241 is a deficient number, since it is larger than the sum of its proper divisors (1732614885527).

12511326651241 is a wasteful number, since it uses less digits than its factorization.

12511326651241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6246372.

The product of its digits is 86400, while the sum is 40.

Adding to 12511326651241 its reverse (14215662311521), we get a palindrome (26726988962762).

The spelling of 12511326651241 in words is "twelve trillion, five hundred eleven billion, three hundred twenty-six million, six hundred fifty-one thousand, two hundred forty-one".