11356615541 has 2 divisors, whose sum is σ = 11356615542. Its totient is φ = 11356615540.

The previous prime is 11356615513. The next prime is 11356615561. The reversal of 11356615541 is 14551665311.

It is a happy number.

11356615541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9086093041 + 2270522500 = 95321^2 + 47650^2 .

It is a cyclic number.

It is not a de Polignac number, because 11356615541 - 2⁶ = 11356615477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11356615495 and 11356615504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11356615511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5678307770 + 5678307771.

It is an arithmetic number, because the mean of its divisors is an integer number (5678307771).

Almost surely, 2^11356615541 is an apocalyptic number.

It is an amenable number.

11356615541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11356615541 is an equidigital number, since it uses as much as digits as its factorization.

11356615541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 38.

The spelling of 11356615541 in words is "eleven billion, three hundred fifty-six million, six hundred fifteen thousand, five hundred forty-one".