11646514541 has 2 divisors, whose sum is σ = 11646514542. Its totient is φ = 11646514540.

The previous prime is 11646514471. The next prime is 11646514543. The reversal of 11646514541 is 14541564611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7339348900 + 4307165641 = 85670^2 + 65629^2 .

It is a cyclic number.

It is not a de Polignac number, because 11646514541 - 2¹⁰ = 11646513517 is a prime.

Together with 11646514543, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11646514495 and 11646514504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11646514543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5823257270 + 5823257271.

It is an arithmetic number, because the mean of its divisors is an integer number (5823257271).

Almost surely, 2^11646514541 is an apocalyptic number.

It is an amenable number.

11646514541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11646514541 is an equidigital number, since it uses as much as digits as its factorization.

11646514541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 38.

The spelling of 11646514541 in words is "eleven billion, six hundred forty-six million, five hundred fourteen thousand, five hundred forty-one".