13154111123543 has 16 divisors (see below), whose sum is σ = 14512153253472. Its totient is φ = 11845551936000.

The previous prime is 13154111123533. The next prime is 13154111123591. The reversal of 13154111123543 is 34532111145131.

It is a cyclic number.

It is not a de Polignac number, because 13154111123543 - 2⁶ = 13154111123479 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 (13154111123533) 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, 11098628 + ... + 12226518.

It is an arithmetic number, because the mean of its divisors is an integer number (907009578342).

Almost surely, 2^{13154111123543} is an apocalyptic number.

13154111123543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13154111123543 is a deficient number, since it is larger than the sum of its proper divisors (1358042129929).

13154111123543 is a wasteful number, since it uses less digits than its factorization.

13154111123543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149826.

The product of its digits is 21600, while the sum is 35.

Adding to 13154111123543 its reverse (34532111145131), we get a palindrome (47686222268674).

The spelling of 13154111123543 in words is "thirteen trillion, one hundred fifty-four billion, one hundred eleven million, one hundred twenty-three thousand, five hundred forty-three".