11512331016541 has 2 divisors, whose sum is σ = 11512331016542. Its totient is φ = 11512331016540.

The previous prime is 11512331016523. The next prime is 11512331016607. The reversal of 11512331016541 is 14561013321511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10654152964900 + 858178051641 = 3264070^2 + 926379^2 .

It is a cyclic number.

It is not a de Polignac number, because 11512331016541 - 2¹⁵ = 11512330983773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11512331016497 and 11512331016506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11512331017541) 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 as a sum of consecutive naturals, namely, 5756165508270 + 5756165508271.

It is an arithmetic number, because the mean of its divisors is an integer number (5756165508271).

Almost surely, 2^{11512331016541} is an apocalyptic number.

It is an amenable number.

11512331016541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11512331016541 is an equidigital number, since it uses as much as digits as its factorization.

11512331016541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 11512331016541 in words is "eleven trillion, five hundred twelve billion, three hundred thirty-one million, sixteen thousand, five hundred forty-one".