531001412105 has 4 divisors (see below), whose sum is σ = 637201694532. Its totient is φ = 424801129680.

The previous prime is 531001412101. The next prime is 531001412147. The reversal of 531001412105 is 501214100135.

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 387305830921 + 143695581184 = 622339^2 + 379072^2 .

It is not a de Polignac number, because 531001412105 - 2² = 531001412101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531001412101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53100141206 + ... + 53100141215.

It is an arithmetic number, because the mean of its divisors is an integer number (159300423633).

Almost surely, 2^531001412105 is an apocalyptic number.

It is an amenable number.

531001412105 is a deficient number, since it is larger than the sum of its proper divisors (106200282427).

531001412105 is a wasteful number, since it uses less digits than its factorization.

531001412105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106200282426.

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 531001412105 in words is "five hundred thirty-one billion, one million, four hundred twelve thousand, one hundred five".