11616155161611 has 64 divisors (see below), whose sum is σ = 21357391512576. Its totient is φ = 5419638720000.

The previous prime is 11616155161579. The next prime is 11616155161621.

11616155161611 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11616155161611 - 2⁵ = 11616155161579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11616155161621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52161640 + ... + 52383861.

It is an arithmetic number, because the mean of its divisors is an integer number (333709242384).

Almost surely, 2^{11616155161611} is an apocalyptic number.

11616155161611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11616155161611 is a deficient number, since it is larger than the sum of its proper divisors (9741236350965).

11616155161611 is a wasteful number, since it uses less digits than its factorization.

11616155161611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104545572.

The product of its digits is 32400, while the sum is 42.

The spelling of 11616155161611 in words is "eleven trillion, six hundred sixteen billion, one hundred fifty-five million, one hundred sixty-one thousand, six hundred eleven".