11512525254433 has 16 divisors (see below), whose sum is σ = 13519547873280. Its totient is φ = 9598672809936.

The previous prime is 11512525254421. The next prime is 11512525254467. The reversal of 11512525254433 is 33445252521511.

It is a de Polignac number, because none of the positive numbers 2^k-11512525254433 is a prime.

It is a super-2 number, since 2×11512525254433² (a number of 27 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 11512525254433.

It is not an unprimeable number, because it can be changed into a prime (11512525251433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107285263 + ... + 107392516.

It is an arithmetic number, because the mean of its divisors is an integer number (844971742080).

Almost surely, 2^{11512525254433} is an apocalyptic number.

It is an amenable number.

11512525254433 is a deficient number, since it is larger than the sum of its proper divisors (2007022618847).

11512525254433 is a wasteful number, since it uses less digits than its factorization.

11512525254433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214677996.

The product of its digits is 720000, while the sum is 43.

Adding to 11512525254433 its reverse (33445252521511), we get a palindrome (44957777775944).

The spelling of 11512525254433 in words is "eleven trillion, five hundred twelve billion, five hundred twenty-five million, two hundred fifty-four thousand, four hundred thirty-three".