505100105071 has 2 divisors, whose sum is σ = 505100105072. Its totient is φ = 505100105070.

The previous prime is 505100104981. The next prime is 505100105093. The reversal of 505100105071 is 170501001505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505100105071 - 2¹¹ = 505100103023 is a prime.

It is a super-2 number, since 2×505100105071² (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 (505100105971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252550052535 + 252550052536.

It is an arithmetic number, because the mean of its divisors is an integer number (252550052536).

Almost surely, 2^505100105071 is an apocalyptic number.

505100105071 is a deficient number, since it is larger than the sum of its proper divisors (1).

505100105071 is an equidigital number, since it uses as much as digits as its factorization.

505100105071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 875, while the sum is 25.

Adding to 505100105071 its reverse (170501001505), we get a palindrome (675601106576).

The spelling of 505100105071 in words is "five hundred five billion, one hundred million, one hundred five thousand, seventy-one".