505545541139 has 2 divisors, whose sum is σ = 505545541140. Its totient is φ = 505545541138.

The previous prime is 505545541063. The next prime is 505545541199. The reversal of 505545541139 is 931145545505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505545541139 - 2³² = 501250573843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505545541093 and 505545541102.

It is not a weakly prime, because it can be changed into another prime (505545541199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252772770569 + 252772770570.

It is an arithmetic number, because the mean of its divisors is an integer number (252772770570).

Almost surely, 2^505545541139 is an apocalyptic number.

505545541139 is a deficient number, since it is larger than the sum of its proper divisors (1).

505545541139 is an equidigital number, since it uses as much as digits as its factorization.

505545541139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350000, while the sum is 47.

The spelling of 505545541139 in words is "five hundred five billion, five hundred forty-five million, five hundred forty-one thousand, one hundred thirty-nine".