505124124535051 has 4 divisors (see below), whose sum is σ = 577284713754352. Its totient is φ = 432963535315752.

The previous prime is 505124124534937. The next prime is 505124124535087. The reversal of 505124124535051 is 150535421421505.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 505124124535051 - 2⁷ = 505124124534923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505124124534989 and 505124124535007.

It is not an unprimeable number, because it can be changed into a prime (505124124535351) 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 3 ways as a sum of consecutive naturals, for example, 36080294609640 + ... + 36080294609653.

It is an arithmetic number, because the mean of its divisors is an integer number (144321178438588).

Almost surely, 2^{505124124535051} is an apocalyptic number.

505124124535051 is a deficient number, since it is larger than the sum of its proper divisors (72160589219301).

505124124535051 is an equidigital number, since it uses as much as digits as its factorization.

505124124535051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72160589219300.

The product of its (nonzero) digits is 600000, while the sum is 43.

Adding to 505124124535051 its reverse (150535421421505), we get a palindrome (655659545956556).

The spelling of 505124124535051 in words is "five hundred five trillion, one hundred twenty-four billion, one hundred twenty-four million, five hundred thirty-five thousand, fifty-one".