11554210366009 has 2 divisors, whose sum is σ = 11554210366010. Its totient is φ = 11554210366008.

The previous prime is 11554210365979. The next prime is 11554210366021. The reversal of 11554210366009 is 90066301245511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10959542670400 + 594667695609 = 3310520^2 + 771147^2 .

It is a cyclic number.

It is not a de Polignac number, because 11554210366009 - 2⁷ = 11554210365881 is a prime.

It is not a weakly prime, because it can be changed into another prime (11554210361009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5777105183004 + 5777105183005.

It is an arithmetic number, because the mean of its divisors is an integer number (5777105183005).

Almost surely, 2^{11554210366009} is an apocalyptic number.

It is an amenable number.

11554210366009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11554210366009 is an equidigital number, since it uses as much as digits as its factorization.

11554210366009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 11554210366009 in words is "eleven trillion, five hundred fifty-four billion, two hundred ten million, three hundred sixty-six thousand, nine".