505363111151 has 2 divisors, whose sum is σ = 505363111152. Its totient is φ = 505363111150.

The previous prime is 505363111147. The next prime is 505363111241. The reversal of 505363111151 is 151111363505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505363111151 - 2² = 505363111147 is a prime.

It is a super-2 number, since 2×505363111151² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505363111051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252681555575 + 252681555576.

It is an arithmetic number, because the mean of its divisors is an integer number (252681555576).

Almost surely, 2^505363111151 is an apocalyptic number.

505363111151 is a deficient number, since it is larger than the sum of its proper divisors (1).

505363111151 is an equidigital number, since it uses as much as digits as its factorization.

505363111151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 32.

Adding to 505363111151 its reverse (151111363505), we get a palindrome (656474474656).

The spelling of 505363111151 in words is "five hundred five billion, three hundred sixty-three million, one hundred eleven thousand, one hundred fifty-one".