11551666615339 has 2 divisors, whose sum is σ = 11551666615340. Its totient is φ = 11551666615338.

The previous prime is 11551666615187. The next prime is 11551666615343. The reversal of 11551666615339 is 93351666615511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11551666615339 - 2¹³ = 11551666607147 is a prime.

It is not a weakly prime, because it can be changed into another prime (11551666615369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775833307669 + 5775833307670.

It is an arithmetic number, because the mean of its divisors is an integer number (5775833307670).

Almost surely, 2^{11551666615339} is an apocalyptic number.

11551666615339 is a deficient number, since it is larger than the sum of its proper divisors (1).

11551666615339 is an equidigital number, since it uses as much as digits as its factorization.

11551666615339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122000, while the sum is 58.

The spelling of 11551666615339 in words is "eleven trillion, five hundred fifty-one billion, six hundred sixty-six million, six hundred fifteen thousand, three hundred thirty-nine".