161106115160111 has 6 divisors (see below), whose sum is σ = 177083581126536. Its totient is φ = 146460104690900.

The previous prime is 161106115160077. The next prime is 161106115160113. The reversal of 161106115160111 is 111061511601161.

It is not a de Polignac number, because 161106115160111 - 2⁶ = 161106115160047 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 (161106115160113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 665727748475 + ... + 665727748716.

It is an arithmetic number, because the mean of its divisors is an integer number (29513930187756).

Almost surely, 2^{161106115160111} is an apocalyptic number.

161106115160111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

161106115160111 is a deficient number, since it is larger than the sum of its proper divisors (15977465966425).

161106115160111 is a wasteful number, since it uses less digits than its factorization.

161106115160111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331455497213 (or 1331455497202 counting only the distinct ones).

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

Adding to 161106115160111 its reverse (111061511601161), we get a palindrome (272167626761272).

The spelling of 161106115160111 in words is "one hundred sixty-one trillion, one hundred six billion, one hundred fifteen million, one hundred sixty thousand, one hundred eleven".