105161115 has 16 divisors (see below), whose sum is σ = 168431616. Its totient is φ = 56028000.

The previous prime is 105161113. The next prime is 105161149. The reversal of 105161115 is 511161501.

It is a happy number.

It is not a de Polignac number, because 105161115 - 2¹ = 105161113 is a prime.

It is a super-2 number, since 2×105161115² = 22117720216086450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105161091 and 105161100.

It is not an unprimeable number, because it can be changed into a prime (105161113) 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, 14220 + ... + 20310.

It is an arithmetic number, because the mean of its divisors is an integer number (10526976).

Almost surely, 2^105161115 is an apocalyptic number.

105161115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105161115 is a deficient number, since it is larger than the sum of its proper divisors (63270501).

105161115 is a wasteful number, since it uses less digits than its factorization.

105161115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7250.

The product of its (nonzero) digits is 150, while the sum is 21.

The square root of 105161115 is about 10254.8093595152. The cubic root of 105161115 is about 472.0105735326.

The spelling of 105161115 in words is "one hundred five million, one hundred sixty-one thousand, one hundred fifteen".