106615505 has 8 divisors (see below), whose sum is σ = 130660992. Its totient is φ = 83477488.

The previous prime is 106615493. The next prime is 106615507. The reversal of 106615505 is 505516601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106615505 - 2²² = 102421201 is a prime.

It is a super-2 number, since 2×106615505² = 22733731812810050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106615507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226607 + ... + 227076.

It is an arithmetic number, because the mean of its divisors is an integer number (16332624).

Almost surely, 2^106615505 is an apocalyptic number.

It is an amenable number.

106615505 is a deficient number, since it is larger than the sum of its proper divisors (24045487).

106615505 is an equidigital number, since it uses as much as digits as its factorization.

106615505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453735.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 106615505 is about 10325.4784392782. The cubic root of 106615505 is about 474.1766048937.

The spelling of 106615505 in words is "one hundred six million, six hundred fifteen thousand, five hundred five".