105115161156 has 24 divisors (see below), whose sum is σ = 245868399840. Its totient is φ = 34952716992.

The previous prime is 105115161149. The next prime is 105115161161. The reversal of 105115161156 is 651161511501.

105115161156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105115161156² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10703646 + ... + 10713461.

It is an arithmetic number, because the mean of its divisors is an integer number (10244516660).

Almost surely, 2^105115161156 is an apocalyptic number.

It is an amenable number.

105115161156 is an abundant number, since it is smaller than the sum of its proper divisors (140753238684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105115161156 is a wasteful number, since it uses less digits than its factorization.

105115161156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21417523 (or 21417521 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 33.

Adding to 105115161156 its reverse (651161511501), we get a palindrome (756276672657).

The spelling of 105115161156 in words is "one hundred five billion, one hundred fifteen million, one hundred sixty-one thousand, one hundred fifty-six".