11530142115 has 16 divisors (see below), whose sum is σ = 19419187200. Its totient is φ = 5825755872.

The previous prime is 11530142069. The next prime is 11530142119. The reversal of 11530142115 is 51124103511.

It is not a de Polignac number, because 11530142115 - 2⁹ = 11530141603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11530142119) 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 15 ways as a sum of consecutive naturals, for example, 20228035 + ... + 20228604.

It is an arithmetic number, because the mean of its divisors is an integer number (1213699200).

Almost surely, 2^11530142115 is an apocalyptic number.

11530142115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11530142115 is a deficient number, since it is larger than the sum of its proper divisors (7889045085).

11530142115 is a wasteful number, since it uses less digits than its factorization.

11530142115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40456666.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 11530142115 its reverse (51124103511), we get a palindrome (62654245626).

The spelling of 11530142115 in words is "eleven billion, five hundred thirty million, one hundred forty-two thousand, one hundred fifteen".