505250222031011 has 4 divisors (see below), whose sum is σ = 505250282964672. Its totient is φ = 505250161097352.

The previous prime is 505250222030993. The next prime is 505250222031047. The reversal of 505250222031011 is 110130222052505.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505250222031011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505250222031211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15616211 + ... + 35417036.

It is an arithmetic number, because the mean of its divisors is an integer number (126312570741168).

Almost surely, 2^{505250222031011} is an apocalyptic number.

505250222031011 is a deficient number, since it is larger than the sum of its proper divisors (60933661).

505250222031011 is an equidigital number, since it uses as much as digits as its factorization.

505250222031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60933660.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 505250222031011 its reverse (110130222052505), we get a palindrome (615380444083516).

The spelling of 505250222031011 in words is "five hundred five trillion, two hundred fifty billion, two hundred twenty-two million, thirty-one thousand, eleven".