1501605005 has 16 divisors (see below), whose sum is σ = 1831365120. Its totient is φ = 1181708352.

The previous prime is 1501604989. The next prime is 1501605013. The reversal of 1501605005 is 5005061051.

It is a cyclic number.

It is not a de Polignac number, because 1501605005 - 2⁴ = 1501604989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275012 + ... + 280418.

It is an arithmetic number, because the mean of its divisors is an integer number (114460320).

Almost surely, 2^1501605005 is an apocalyptic number.

It is an amenable number.

1501605005 is a deficient number, since it is larger than the sum of its proper divisors (329760115).

1501605005 is an equidigital number, since it uses as much as digits as its factorization.

1501605005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1501605005 is about 38750.5484477317. The cubic root of 1501605005 is about 1145.1223797036.

Adding to 1501605005 its reverse (5005061051), we get a palindrome (6506666056).

The spelling of 1501605005 in words is "one billion, five hundred one million, six hundred five thousand, five".