10515255 has 32 divisors (see below), whose sum is σ = 18178560. Its totient is φ = 5174400.

The previous prime is 10515251. The next prime is 10515257. The reversal of 10515255 is 55251501.

10515255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10515255 - 2² = 10515251 is a prime.

It is a super-2 number, since 2×10515255² = 221141175430050, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10515251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9480 + ... + 10530.

It is an arithmetic number, because the mean of its divisors is an integer number (568080).

Almost surely, 2^10515255 is an apocalyptic number.

10515255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10515255 is a deficient number, since it is larger than the sum of its proper divisors (7663305).

10515255 is a wasteful number, since it uses less digits than its factorization.

10515255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 10515255 is about 3242.7233924589. The cubic root of 10515255 is about 219.0819526065.

Adding to 10515255 its reverse (55251501), we get a palindrome (65766756).

The spelling of 10515255 in words is "ten million, five hundred fifteen thousand, two hundred fifty-five".