11523115043253 has 64 divisors (see below), whose sum is σ = 18814684861440. Its totient is φ = 6911957448000.

The previous prime is 11523115043243. The next prime is 11523115043291. The reversal of 11523115043253 is 35234051132511.

It is a happy number.

11523115043253 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 311 + 50 + 43 + 253 = 666.

It is not a de Polignac number, because 11523115043253 - 2⁹ = 11523115042741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523115043243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81130926 + ... + 81272832.

It is an arithmetic number, because the mean of its divisors is an integer number (293979450960).

Almost surely, 2^{11523115043253} is an apocalyptic number.

It is an amenable number.

11523115043253 is a deficient number, since it is larger than the sum of its proper divisors (7291569818187).

11523115043253 is a wasteful number, since it uses less digits than its factorization.

11523115043253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144735 (or 144729 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 11523115043253 its reverse (35234051132511), we get a palindrome (46757166175764).

The spelling of 11523115043253 in words is "eleven trillion, five hundred twenty-three billion, one hundred fifteen million, forty-three thousand, two hundred fifty-three".