106715815 has 4 divisors (see below), whose sum is σ = 128058984. Its totient is φ = 85372648.

The previous prime is 106715801. The next prime is 106715821. The reversal of 106715815 is 518517601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106715815 - 2⁹ = 106715303 is a prime.

It is a super-2 number, since 2×106715815² = 22776530342228450, which contains 22 as substring.

It is a Duffinian number.

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, 10671577 + ... + 10671586.

It is an arithmetic number, because the mean of its divisors is an integer number (32014746).

Almost surely, 2^106715815 is an apocalyptic number.

106715815 is a deficient number, since it is larger than the sum of its proper divisors (21343169).

106715815 is an equidigital number, since it uses as much as digits as its factorization.

106715815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21343168.

The product of its (nonzero) digits is 8400, while the sum is 34.

The square root of 106715815 is about 10330.3346993212. The cubic root of 106715815 is about 474.3252691549.

The spelling of 106715815 in words is "one hundred six million, seven hundred fifteen thousand, eight hundred fifteen".