505050220400411 has 16 divisors (see below), whose sum is σ = 578784068051904. Its totient is φ = 431712472633344.

The previous prime is 505050220400389. The next prime is 505050220400413. The reversal of 505050220400411 is 114004022050505.

It is not a de Polignac number, because 505050220400411 - 2⁶ = 505050220400347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505050220400413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35542871 + ... + 47680143.

It is an arithmetic number, because the mean of its divisors is an integer number (36174004253244).

Almost surely, 2^{505050220400411} is an apocalyptic number.

505050220400411 is a deficient number, since it is larger than the sum of its proper divisors (73733847651493).

505050220400411 is a wasteful number, since it uses less digits than its factorization.

505050220400411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12153590.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 505050220400411 its reverse (114004022050505), we get a palindrome (619054242450916).

The spelling of 505050220400411 in words is "five hundred five trillion, fifty billion, two hundred twenty million, four hundred thousand, four hundred eleven".