11101672165111 has 16 divisors (see below), whose sum is σ = 12189534336000. Its totient is φ = 10026973709280.

The previous prime is 11101672165021. The next prime is 11101672165117. The reversal of 11101672165111 is 11156127610111.

It is not a de Polignac number, because 11101672165111 - 2⁹ = 11101672164599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101672165117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2160565 + ... + 5183761.

It is an arithmetic number, because the mean of its divisors is an integer number (761845896000).

Almost surely, 2^{11101672165111} is an apocalyptic number.

11101672165111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11101672165111 is a deficient number, since it is larger than the sum of its proper divisors (1087862170889).

11101672165111 is a wasteful number, since it uses less digits than its factorization.

11101672165111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025374.

The product of its (nonzero) digits is 2520, while the sum is 34.

Adding to 11101672165111 its reverse (11156127610111), we get a palindrome (22257799775222).

The spelling of 11101672165111 in words is "eleven trillion, one hundred one billion, six hundred seventy-two million, one hundred sixty-five thousand, one hundred eleven".