501605270416045 has 4 divisors (see below), whose sum is σ = 601926324499260. Its totient is φ = 401284216332832.

The previous prime is 501605270416013. The next prime is 501605270416049. The reversal of 501605270416045 is 540614072506105.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 300381654836484 + 201223615579561 = 17331522^2 + 14185331^2 .

It is a cyclic number.

It is not a de Polignac number, because 501605270416045 - 2⁵ = 501605270416013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501605270415986 and 501605270416004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501605270416049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50160527041600 + ... + 50160527041609.

It is an arithmetic number, because the mean of its divisors is an integer number (150481581124815).

Almost surely, 2^{501605270416045} is an apocalyptic number.

It is an amenable number.

501605270416045 is a deficient number, since it is larger than the sum of its proper divisors (100321054083215).

501605270416045 is a wasteful number, since it uses less digits than its factorization.

501605270416045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100321054083214.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 501605270416045 in words is "five hundred one trillion, six hundred five billion, two hundred seventy million, four hundred sixteen thousand, forty-five".