15005055 has 16 divisors (see below), whose sum is σ = 25855200. Its totient is φ = 7387008.

The previous prime is 15005051. The next prime is 15005063. The reversal of 15005055 is 55050051.

It is not a de Polignac number, because 15005055 - 2² = 15005051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15005051) 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 15 ways as a sum of consecutive naturals, for example, 38280 + ... + 38669.

It is an arithmetic number, because the mean of its divisors is an integer number (1615950).

Almost surely, 2^15005055 is an apocalyptic number.

15005055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15005055 is a deficient number, since it is larger than the sum of its proper divisors (10850145).

15005055 is a wasteful number, since it uses less digits than its factorization.

15005055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76970.

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 15005055 is about 3873.6358889292. The cubic root of 15005055 is about 246.6489081039.

It can be divided in two parts, 1500 and 5055, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 15005055 in words is "fifteen million, five thousand, fifty-five".