15480115 has 16 divisors (see below), whose sum is σ = 22479552. Its totient is φ = 9990144.

The previous prime is 15480107. The next prime is 15480121. The reversal of 15480115 is 51108451.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 15480115 - 2³ = 15480107 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 15480115.

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, 12414 + ... + 13603.

It is an arithmetic number, because the mean of its divisors is an integer number (1404972).

Almost surely, 2^15480115 is an apocalyptic number.

15480115 is a deficient number, since it is larger than the sum of its proper divisors (6999437).

15480115 is a wasteful number, since it uses less digits than its factorization.

15480115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26046.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 15480115 is about 3934.4777290004. The cubic root of 15480115 is about 249.2248792349.

Adding to 15480115 its reverse (51108451), we get a palindrome (66588566).

The spelling of 15480115 in words is "fifteen million, four hundred eighty thousand, one hundred fifteen".