11615000011 has 4 divisors (see below), whose sum is σ = 11706456832. Its totient is φ = 11523543192.

The previous prime is 11614999993. The next prime is 11615000021. The reversal of 11615000011 is 11000051611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11615000011 - 2⁷ = 11614999883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11615000021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45728220 + ... + 45728473.

It is an arithmetic number, because the mean of its divisors is an integer number (2926614208).

Almost surely, 2^11615000011 is an apocalyptic number.

11615000011 is a deficient number, since it is larger than the sum of its proper divisors (91456821).

11615000011 is an equidigital number, since it uses as much as digits as its factorization.

11615000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91456820.

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 11615000011 its reverse (11000051611), we get a palindrome (22615051622).

The spelling of 11615000011 in words is "eleven billion, six hundred fifteen million, eleven", and thus it is an aban number.