5131120505553 has 12 divisors (see below), whose sum is σ = 8470421152128. Its totient is φ = 2932068860280.

The previous prime is 5131120505531. The next prime is 5131120505573. The reversal of 5131120505553 is 3555050211315.

5131120505553 is a `hidden beast` number, since 5 + 1 + 31 + 1 + 20 + 50 + 5 + 553 = 666.

5131120505553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5131120505553 - 2²² = 5131116311249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5131120505513) 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 11 ways as a sum of consecutive naturals, for example, 40723178553 + ... + 40723178678.

It is an arithmetic number, because the mean of its divisors is an integer number (705868429344).

Almost surely, 2^{5131120505553} is an apocalyptic number.

It is an amenable number.

5131120505553 is a deficient number, since it is larger than the sum of its proper divisors (3339300646575).

5131120505553 is a wasteful number, since it uses less digits than its factorization.

5131120505553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81446357244 (or 81446357241 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

Adding to 5131120505553 its reverse (3555050211315), we get a palindrome (8686170716868).

The spelling of 5131120505553 in words is "five trillion, one hundred thirty-one billion, one hundred twenty million, five hundred five thousand, five hundred fifty-three".