106603201505 has 4 divisors (see below), whose sum is σ = 127923841812. Its totient is φ = 85282561200.

The previous prime is 106603201501. The next prime is 106603201519. The reversal of 106603201505 is 505102306601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505102306601 = 697267 ⋅724403.

It can be written as a sum of positive squares in 2 ways, for example, as 25354829824 + 81248371681 = 159232^2 + 285041^2 .

It is not a de Polignac number, because 106603201505 - 2² = 106603201501 is a prime.

It is a super-2 number, since 2×106603201505² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106603201501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10660320146 + ... + 10660320155.

It is an arithmetic number, because the mean of its divisors is an integer number (31980960453).

Almost surely, 2^106603201505 is an apocalyptic number.

It is an amenable number.

106603201505 is a deficient number, since it is larger than the sum of its proper divisors (21320640307).

106603201505 is an equidigital number, since it uses as much as digits as its factorization.

106603201505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21320640306.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 106603201505 in words is "one hundred six billion, six hundred three million, two hundred one thousand, five hundred five".