11101072067161 has 4 divisors (see below), whose sum is σ = 11101081377024. Its totient is φ = 11101062757300.

The previous prime is 11101072067149. The next prime is 11101072067201. The reversal of 11101072067161 is 16176027010111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11101072067161 - 2⁴¹ = 8902048811609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101072067101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2548645 + ... + 5357026.

It is an arithmetic number, because the mean of its divisors is an integer number (2775270344256).

Almost surely, 2^{11101072067161} is an apocalyptic number.

It is an amenable number.

11101072067161 is a deficient number, since it is larger than the sum of its proper divisors (9309863).

11101072067161 is an equidigital number, since it uses as much as digits as its factorization.

11101072067161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9309862.

The product of its (nonzero) digits is 3528, while the sum is 34.

Adding to 11101072067161 its reverse (16176027010111), we get a palindrome (27277099077272).

The spelling of 11101072067161 in words is "eleven trillion, one hundred one billion, seventy-two million, sixty-seven thousand, one hundred sixty-one".