2015412505 has 8 divisors (see below), whose sum is σ = 2418810624. Its totient is φ = 1612119600.

The previous prime is 2015412493. The next prime is 2015412541. The reversal of 2015412505 is 5052145102.

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

It is not a de Polignac number, because 2015412505 - 2⁵ = 2015412473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2015412505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24910 + ... + 68200.

It is an arithmetic number, because the mean of its divisors is an integer number (302351328).

Almost surely, 2^2015412505 is an apocalyptic number.

It is an amenable number.

2015412505 is a deficient number, since it is larger than the sum of its proper divisors (403398119).

2015412505 is an equidigital number, since it uses as much as digits as its factorization.

2015412505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52607.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2015412505 is about 44893.3458877816. The cubic root of 2015412505 is about 1263.1491949874.

Adding to 2015412505 its reverse (5052145102), we get a palindrome (7067557607).

The spelling of 2015412505 in words is "two billion, fifteen million, four hundred twelve thousand, five hundred five".