501206464602101 has 2 divisors, whose sum is σ = 501206464602102. Its totient is φ = 501206464602100.

The previous prime is 501206464602089. The next prime is 501206464602131. The reversal of 501206464602101 is 101206464602105.

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., 357880697530225 + 143325767071876 = 18917735^2 + 11971874^2 .

It is a cyclic number.

It is not a de Polignac number, because 501206464602101 - 2³⁸ = 500931586695157 is a prime.

It is a super-2 number, since 2×501206464602101² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501206464602131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250603232301050 + 250603232301051.

It is an arithmetic number, because the mean of its divisors is an integer number (250603232301051).

Almost surely, 2^{501206464602101} is an apocalyptic number.

It is an amenable number.

501206464602101 is a deficient number, since it is larger than the sum of its proper divisors (1).

501206464602101 is an equidigital number, since it uses as much as digits as its factorization.

501206464602101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 501206464602101 in words is "five hundred one trillion, two hundred six billion, four hundred sixty-four million, six hundred two thousand, one hundred one".