11115611106611 has 8 divisors (see below), whose sum is σ = 12246181814448. Its totient is φ = 10005050500000.

The previous prime is 11115611106601. The next prime is 11115611106631. The reversal of 11115611106611 is 11660111651111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11115611106611 - 2³⁴ = 11098431237427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11115611106601) 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 7 ways as a sum of consecutive naturals, for example, 5002524140 + ... + 5002526361.

It is an arithmetic number, because the mean of its divisors is an integer number (1530772726806).

Almost surely, 2^{11115611106611} is an apocalyptic number.

11115611106611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11115611106611 is a deficient number, since it is larger than the sum of its proper divisors (1130570707837).

11115611106611 is a wasteful number, since it uses less digits than its factorization.

11115611106611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005050613.

The product of its (nonzero) digits is 1080, while the sum is 32.

Adding to 11115611106611 its reverse (11660111651111), we get a palindrome (22775722757722).

The spelling of 11115611106611 in words is "eleven trillion, one hundred fifteen billion, six hundred eleven million, one hundred six thousand, six hundred eleven".