11543112512252 has 12 divisors (see below), whose sum is σ = 20233186685040. Its totient is φ = 5762202030816.

The previous prime is 11543112512249. The next prime is 11543112512257. The reversal of 11543112512252 is 25221521134511.

It is a super-2 number, since 2×11543112512252² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543112512257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2338553552 + ... + 2338558487.

It is an arithmetic number, because the mean of its divisors is an integer number (1686098890420).

Almost surely, 2^{11543112512252} is an apocalyptic number.

It is an amenable number.

11543112512252 is a deficient number, since it is larger than the sum of its proper divisors (8690074172788).

11543112512252 is a wasteful number, since it uses less digits than its factorization.

11543112512252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4677112660 (or 4677112658 counting only the distinct ones).

The product of its digits is 24000, while the sum is 35.

Adding to 11543112512252 its reverse (25221521134511), we get a palindrome (36764633646763).

The spelling of 11543112512252 in words is "eleven trillion, five hundred forty-three billion, one hundred twelve million, five hundred twelve thousand, two hundred fifty-two".