11512535013023 has 24 divisors (see below), whose sum is σ = 12985942718448. Its totient is φ = 10192535408000.

The previous prime is 11512535013019. The next prime is 11512535013073. The reversal of 11512535013023 is 32031053521511.

It is not a de Polignac number, because 11512535013023 - 2² = 11512535013019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11512535013073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 732113 + ... + 4853973.

It is an arithmetic number, because the mean of its divisors is an integer number (541080946602).

Almost surely, 2^{11512535013023} is an apocalyptic number.

11512535013023 is a deficient number, since it is larger than the sum of its proper divisors (1473407705425).

11512535013023 is a wasteful number, since it uses less digits than its factorization.

11512535013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122487 (or 4122476 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 11512535013023 its reverse (32031053521511), we get a palindrome (43543588534534).

The spelling of 11512535013023 in words is "eleven trillion, five hundred twelve billion, five hundred thirty-five million, thirteen thousand, twenty-three".