15011265 has 16 divisors (see below), whose sum is σ = 24069888. Its totient is φ = 7988736.

The previous prime is 15011239. The next prime is 15011267. The reversal of 15011265 is 56211051.

It is not a de Polignac number, because 15011265 - 2⁶ = 15011201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15011267) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9352 + ... + 10838.

It is an arithmetic number, because the mean of its divisors is an integer number (1504368).

Almost surely, 2^15011265 is an apocalyptic number.

15011265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15011265 is a deficient number, since it is larger than the sum of its proper divisors (9058623).

15011265 is a wasteful number, since it uses less digits than its factorization.

15011265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 15011265 is about 3874.4373785106. The cubic root of 15011265 is about 246.6829294935.

The spelling of 15011265 in words is "fifteen million, eleven thousand, two hundred sixty-five".