124555143125553 has 16 divisors (see below), whose sum is σ = 189908469113856. Its totient is φ = 71133059082960.

The previous prime is 124555143125443. The next prime is 124555143125599. The reversal of 124555143125553 is 355521341555421.

It is not a de Polignac number, because 124555143125553 - 2²⁹ = 124554606254641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124555143125496 and 124555143125505.

It is not an unprimeable number, because it can be changed into a prime (124555143125953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1721147013 + ... + 1721219378.

It is an arithmetic number, because the mean of its divisors is an integer number (11869279319616).

Almost surely, 2^{124555143125553} is an apocalyptic number.

It is an amenable number.

124555143125553 is a deficient number, since it is larger than the sum of its proper divisors (65353325988303).

124555143125553 is a wasteful number, since it uses less digits than its factorization.

124555143125553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442368124.

The product of its digits is 9000000, while the sum is 51.

The spelling of 124555143125553 in words is "one hundred twenty-four trillion, five hundred fifty-five billion, one hundred forty-three million, one hundred twenty-five thousand, five hundred fifty-three".