11510013105 has 12 divisors (see below), whose sum is σ = 19950689460. Its totient is φ = 6138673632.

The previous prime is 11510013043. The next prime is 11510013121. The reversal of 11510013105 is 50131001511.

11510013105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9025190001 + 2484823104 = 95001^2 + 49848^2 .

It is not a de Polignac number, because 11510013105 - 2⁶ = 11510013041 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 127888990 + ... + 127889079.

It is an arithmetic number, because the mean of its divisors is an integer number (1662557455).

Almost surely, 2^11510013105 is an apocalyptic number.

11510013105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11510013105 is a deficient number, since it is larger than the sum of its proper divisors (8440676355).

11510013105 is a wasteful number, since it uses less digits than its factorization.

11510013105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255778080 (or 255778077 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 18.

Adding to 11510013105 its reverse (50131001511), we get a palindrome (61641014616).

The spelling of 11510013105 in words is "eleven billion, five hundred ten million, thirteen thousand, one hundred five".