501001100113 has 2 divisors, whose sum is σ = 501001100114. Its totient is φ = 501001100112.

The previous prime is 501001100077. The next prime is 501001100179. The reversal of 501001100113 is 311001100105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378461196864 + 122539903249 = 615192^2 + 350057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501001100113 is a prime.

It is a super-2 number, since 2×501001100113² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501001100093 and 501001100102.

It is not a weakly prime, because it can be changed into another prime (501001106113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250500550056 + 250500550057.

It is an arithmetic number, because the mean of its divisors is an integer number (250500550057).

Almost surely, 2^501001100113 is an apocalyptic number.

It is an amenable number.

501001100113 is a deficient number, since it is larger than the sum of its proper divisors (1).

501001100113 is an equidigital number, since it uses as much as digits as its factorization.

501001100113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15, while the sum is 13.

Adding to 501001100113 its reverse (311001100105), we get a palindrome (812002200218).

The spelling of 501001100113 in words is "five hundred one billion, one million, one hundred thousand, one hundred thirteen".