501501365145045 has 12 divisors (see below), whose sum is σ = 869269032918156. Its totient is φ = 267467394744000.

The previous prime is 501501365144987. The next prime is 501501365145049. The reversal of 501501365145045 is 540541563105105.

501501365145045 is a `hidden beast` number, since 5 + 0 + 1 + 5 + 0 + 136 + 5 + 1 + 4 + 504 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 74849784586929 + 426651580558116 = 8651577^2 + 20655546^2 .

It is not a de Polignac number, because 501501365145045 - 2¹⁹ = 501501364620757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 11144474781001 = 501501365145045 / (5 + 0 + 1 + 5 + 0 + 1 + 3 + 6 + 5 + 1 + 4 + 5 + 0 + 4 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501501365145049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5572237390456 + ... + 5572237390545.

It is an arithmetic number, because the mean of its divisors is an integer number (72439086076513).

Almost surely, 2^{501501365145045} is an apocalyptic number.

It is an amenable number.

501501365145045 is a deficient number, since it is larger than the sum of its proper divisors (367767667773111).

501501365145045 is a wasteful number, since it uses less digits than its factorization.

501501365145045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11144474781012 (or 11144474781009 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 501501365145045 in words is "five hundred one trillion, five hundred one billion, three hundred sixty-five million, one hundred forty-five thousand, forty-five".