501056101061 has 2 divisors, whose sum is σ = 501056101062. Its totient is φ = 501056101060.

The previous prime is 501056101037. The next prime is 501056101069. The reversal of 501056101061 is 160101650105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311978102500 + 189077998561 = 558550^2 + 434831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501056101061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 501056101061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501056101069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250528050530 + 250528050531.

It is an arithmetic number, because the mean of its divisors is an integer number (250528050531).

Almost surely, 2^501056101061 is an apocalyptic number.

It is an amenable number.

501056101061 is a deficient number, since it is larger than the sum of its proper divisors (1).

501056101061 is an equidigital number, since it uses as much as digits as its factorization.

501056101061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 501056101061 its reverse (160101650105), we get a palindrome (661157751166).

The spelling of 501056101061 in words is "five hundred one billion, fifty-six million, one hundred one thousand, sixty-one".