106505915 has 16 divisors (see below), whose sum is σ = 130636800. Its totient is φ = 83333472.

The previous prime is 106505911. The next prime is 106505929. The reversal of 106505915 is 519505601.

It is a cyclic number.

It is not a de Polignac number, because 106505915 - 2² = 106505911 is a prime.

It is a super-2 number, since 2×106505915² = 22687019859974450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106505911) 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, 64976 + ... + 66594.

It is an arithmetic number, because the mean of its divisors is an integer number (8164800).

Almost surely, 2^106505915 is an apocalyptic number.

106505915 is a deficient number, since it is larger than the sum of its proper divisors (24130885).

106505915 is a wasteful number, since it uses less digits than its factorization.

106505915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 106505915 is about 10320.1702989825. The cubic root of 106505915 is about 474.0140805991.

The spelling of 106505915 in words is "one hundred six million, five hundred five thousand, nine hundred fifteen".