105615112156 has 12 divisors (see below), whose sum is σ = 185097060792. Its totient is φ = 52730237648.

The previous prime is 105615112139. The next prime is 105615112181. The reversal of 105615112156 is 651211516501.

It is a super-2 number, since 2×105615112156² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19326535 + ... + 19331998.

It is an arithmetic number, because the mean of its divisors is an integer number (15424755066).

Almost surely, 2^105615112156 is an apocalyptic number.

It is an amenable number.

105615112156 is a deficient number, since it is larger than the sum of its proper divisors (79481948636).

105615112156 is a wasteful number, since it uses less digits than its factorization.

105615112156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38659220 (or 38659218 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 34.

Adding to 105615112156 its reverse (651211516501), we get a palindrome (756826628657).

The spelling of 105615112156 in words is "one hundred five billion, six hundred fifteen million, one hundred twelve thousand, one hundred fifty-six".