501060010091 has 2 divisors, whose sum is σ = 501060010092. Its totient is φ = 501060010090.

The previous prime is 501060010051. The next prime is 501060010127. The reversal of 501060010091 is 190010060105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 501060010091 - 2⁶ = 501060010027 is a prime.

It is a super-2 number, since 2×501060010091² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (501060010051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250530005045 + 250530005046.

It is an arithmetic number, because the mean of its divisors is an integer number (250530005046).

Almost surely, 2^501060010091 is an apocalyptic number.

501060010091 is a deficient number, since it is larger than the sum of its proper divisors (1).

501060010091 is an equidigital number, since it uses as much as digits as its factorization.

501060010091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 23.

Adding to 501060010091 its reverse (190010060105), we get a palindrome (691070070196).

The spelling of 501060010091 in words is "five hundred one billion, sixty million, ten thousand, ninety-one".