12138114553 has 16 divisors (see below), whose sum is σ = 12786149376. Its totient is φ = 11500437520.

The previous prime is 12138114533. The next prime is 12138114577. The reversal of 12138114553 is 35541183121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12138114553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12138114523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1765200 + ... + 1772062.

It is an arithmetic number, because the mean of its divisors is an integer number (799134336).

Almost surely, 2^12138114553 is an apocalyptic number.

It is an amenable number.

12138114553 is a deficient number, since it is larger than the sum of its proper divisors (648034823).

12138114553 is a wasteful number, since it uses less digits than its factorization.

12138114553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7604.

The product of its digits is 14400, while the sum is 34.

Adding to 12138114553 its reverse (35541183121), we get a palindrome (47679297674).

The spelling of 12138114553 in words is "twelve billion, one hundred thirty-eight million, one hundred fourteen thousand, five hundred fifty-three".