501455501113223 has 2 divisors, whose sum is σ = 501455501113224. Its totient is φ = 501455501113222.

The previous prime is 501455501113183. The next prime is 501455501113241. The reversal of 501455501113223 is 322311105554105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 501455501113223 - 2⁸ = 501455501112967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501455501115223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250727750556611 + 250727750556612.

It is an arithmetic number, because the mean of its divisors is an integer number (250727750556612).

Almost surely, 2^{501455501113223} is an apocalyptic number.

501455501113223 is a deficient number, since it is larger than the sum of its proper divisors (1).

501455501113223 is an equidigital number, since it uses as much as digits as its factorization.

501455501113223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 501455501113223 its reverse (322311105554105), we get a palindrome (823766606667328).

The spelling of 501455501113223 in words is "five hundred one trillion, four hundred fifty-five billion, five hundred one million, one hundred thirteen thousand, two hundred twenty-three".