501106000531 has 4 divisors (see below), whose sum is σ = 501240241072. Its totient is φ = 500971759992.

The previous prime is 501106000529. The next prime is 501106000597. The reversal of 501106000531 is 135000601105.

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

It is a cyclic number.

It is not a de Polignac number, because 501106000531 - 2¹ = 501106000529 is a prime.

It is a super-2 number, since 2×501106000531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501106000501) 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, 67114671 + ... + 67122136.

It is an arithmetic number, because the mean of its divisors is an integer number (125310060268).

Almost surely, 2^501106000531 is an apocalyptic number.

501106000531 is a deficient number, since it is larger than the sum of its proper divisors (134240541).

501106000531 is a wasteful number, since it uses less digits than its factorization.

501106000531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134240540.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 501106000531 its reverse (135000601105), we get a palindrome (636106601636).

The spelling of 501106000531 in words is "five hundred one billion, one hundred six million, five hundred thirty-one", and thus it is an aban number.