505601124247 has 2 divisors, whose sum is σ = 505601124248. Its totient is φ = 505601124246.

The previous prime is 505601124239. The next prime is 505601124337. The reversal of 505601124247 is 742421106505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505601124247 - 2³ = 505601124239 is a prime.

It is a super-3 number, since 3×505601124247³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505601125247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252800562123 + 252800562124.

It is an arithmetic number, because the mean of its divisors is an integer number (252800562124).

Almost surely, 2^505601124247 is an apocalyptic number.

505601124247 is a deficient number, since it is larger than the sum of its proper divisors (1).

505601124247 is an equidigital number, since it uses as much as digits as its factorization.

505601124247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 505601124247 in words is "five hundred five billion, six hundred one million, one hundred twenty-four thousand, two hundred forty-seven".