500505501101 has 2 divisors, whose sum is σ = 500505501102. Its totient is φ = 500505501100.

The previous prime is 500505501077. The next prime is 500505501137. The reversal of 500505501101 is 101105505005.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407970903076 + 92534598025 = 638726^2 + 304195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500505501101 is a prime.

It is a super-2 number, since 2×500505501101² (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 (500505501161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250252750550 + 250252750551.

It is an arithmetic number, because the mean of its divisors is an integer number (250252750551).

Almost surely, 2^500505501101 is an apocalyptic number.

It is an amenable number.

500505501101 is a deficient number, since it is larger than the sum of its proper divisors (1).

500505501101 is an equidigital number, since it uses as much as digits as its factorization.

500505501101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 500505501101 in words is "five hundred billion, five hundred five million, five hundred one thousand, one hundred one".