54512113143 has 12 divisors (see below), whose sum is σ = 73783845240. Its totient is φ = 35798990832.

The previous prime is 54512113129. The next prime is 54512113157. The reversal of 54512113143 is 34131121545.

It is an interprime number because it is at equal distance from previous prime (54512113129) and next prime (54512113157).

It is not a de Polignac number, because 54512113143 - 2⁴ = 54512113127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54512113143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54512113043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2010448 + ... + 2037381.

It is an arithmetic number, because the mean of its divisors is an integer number (6148653770).

Almost surely, 2^54512113143 is an apocalyptic number.

54512113143 is a deficient number, since it is larger than the sum of its proper divisors (19271732097).

54512113143 is an equidigital number, since it uses as much as digits as its factorization.

54512113143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047966 (or 4047899 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

Adding to 54512113143 its reverse (34131121545), we get a palindrome (88643234688).

The spelling of 54512113143 in words is "fifty-four billion, five hundred twelve million, one hundred thirteen thousand, one hundred forty-three".