504545510101 has 8 divisors (see below), whose sum is σ = 534231734040. Its totient is φ = 474860072448.

The previous prime is 504545510023. The next prime is 504545510123. The reversal of 504545510101 is 101015545405.

It can be written as a sum of positive squares in 4 ways, for example, as 185321640100 + 319223870001 = 430490^2 + 564999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 504545510101 - 2¹⁵ = 504545477333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504545510141) 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 in 7 ways as a sum of consecutive naturals, for example, 1586985 + ... + 1878193.

It is an arithmetic number, because the mean of its divisors is an integer number (66778966755).

Almost surely, 2^504545510101 is an apocalyptic number.

It is an amenable number.

504545510101 is a deficient number, since it is larger than the sum of its proper divisors (29686223939).

504545510101 is a wasteful number, since it uses less digits than its factorization.

504545510101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393143.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 504545510101 in words is "five hundred four billion, five hundred forty-five million, five hundred ten thousand, one hundred one".