11615101611011 has 2 divisors, whose sum is σ = 11615101611012. Its totient is φ = 11615101611010.

The previous prime is 11615101611007. The next prime is 11615101611023. The reversal of 11615101611011 is 11011610151611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11615101611011 - 2² = 11615101611007 is a prime.

It is a super-3 number, since 3×11615101611011³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (11615101616011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5807550805505 + 5807550805506.

It is an arithmetic number, because the mean of its divisors is an integer number (5807550805506).

Almost surely, 2^{11615101611011} is an apocalyptic number.

11615101611011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11615101611011 is an equidigital number, since it uses as much as digits as its factorization.

11615101611011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 26.

Adding to 11615101611011 its reverse (11011610151611), we get a palindrome (22626711762622).

The spelling of 11615101611011 in words is "eleven trillion, six hundred fifteen billion, one hundred one million, six hundred eleven thousand, eleven".