10515255323 has 4 divisors (see below), whose sum is σ = 10543000440. Its totient is φ = 10487510208.

The previous prime is 10515255301. The next prime is 10515255343. The reversal of 10515255323 is 32355251501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32355251501 = 5953 ⋅5435117.

It is a cyclic number.

It is not a de Polignac number, because 10515255323 - 2²⁶ = 10448146459 is a prime.

It is a super-2 number, since 2×10515255323² (a number of 21 digits) contains 22 as substring.

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 10515255323.

It is not an unprimeable number, because it can be changed into a prime (10515255343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13871990 + ... + 13872747.

It is an arithmetic number, because the mean of its divisors is an integer number (2635750110).

Almost surely, 2^10515255323 is an apocalyptic number.

10515255323 is a deficient number, since it is larger than the sum of its proper divisors (27745117).

10515255323 is an equidigital number, since it uses as much as digits as its factorization.

10515255323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27745116.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 10515255323 in words is "ten billion, five hundred fifteen million, two hundred fifty-five thousand, three hundred twenty-three".