501331145005 has 4 divisors (see below), whose sum is σ = 601597374012. Its totient is φ = 401064916000.

The previous prime is 501331144999. The next prime is 501331145047. The reversal of 501331145005 is 500541133105.

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 79534152324 + 421796992681 = 282018^2 + 649459^2 .

It is not a de Polignac number, because 501331145005 - 2³ = 501331144997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50133114496 + ... + 50133114505.

It is an arithmetic number, because the mean of its divisors is an integer number (150399343503).

Almost surely, 2^501331145005 is an apocalyptic number.

It is an amenable number.

501331145005 is a deficient number, since it is larger than the sum of its proper divisors (100266229007).

501331145005 is a wasteful number, since it uses less digits than its factorization.

501331145005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100266229006.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 501331145005 in words is "five hundred one billion, three hundred thirty-one million, one hundred forty-five thousand, five".