11615550003611 has 2 divisors, whose sum is σ = 11615550003612. Its totient is φ = 11615550003610.

The previous prime is 11615550003599. The next prime is 11615550003643. The reversal of 11615550003611 is 11630005551611.

It is a weak prime.

It is an emirp because it is prime and its reverse (11630005551611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11615550003611 is a prime.

It is a super-2 number, since 2×11615550003611² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11615550003311) 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, 5807775001805 + 5807775001806.

It is an arithmetic number, because the mean of its divisors is an integer number (5807775001806).

Almost surely, 2^{11615550003611} is an apocalyptic number.

11615550003611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11615550003611 is an equidigital number, since it uses as much as digits as its factorization.

11615550003611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 35.

The spelling of 11615550003611 in words is "eleven trillion, six hundred fifteen billion, five hundred fifty million, three thousand, six hundred eleven".