505636400411 has 2 divisors, whose sum is σ = 505636400412. Its totient is φ = 505636400410.

The previous prime is 505636400363. The next prime is 505636400471. The reversal of 505636400411 is 114004636505.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505636400411 is a prime.

It is not a weakly prime, because it can be changed into another prime (505636400471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252818200205 + 252818200206.

It is an arithmetic number, because the mean of its divisors is an integer number (252818200206).

Almost surely, 2^505636400411 is an apocalyptic number.

505636400411 is a deficient number, since it is larger than the sum of its proper divisors (1).

505636400411 is an equidigital number, since it uses as much as digits as its factorization.

505636400411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 505636400411 in words is "five hundred five billion, six hundred thirty-six million, four hundred thousand, four hundred eleven".