501214450505 has 4 divisors (see below), whose sum is σ = 601457340612. Its totient is φ = 400971560400.

The previous prime is 501214450501. The next prime is 501214450523. The reversal of 501214450505 is 505054412105.

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 399703392841 + 101511057664 = 632221^2 + 318608^2 .

It is not a de Polignac number, because 501214450505 - 2² = 501214450501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501214450501) 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, 50121445046 + ... + 50121445055.

It is an arithmetic number, because the mean of its divisors is an integer number (150364335153).

Almost surely, 2^501214450505 is an apocalyptic number.

It is an amenable number.

501214450505 is a deficient number, since it is larger than the sum of its proper divisors (100242890107).

501214450505 is a wasteful number, since it uses less digits than its factorization.

501214450505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100242890106.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 501214450505 in words is "five hundred one billion, two hundred fourteen million, four hundred fifty thousand, five hundred five".