531085671111471 has 16 divisors (see below), whose sum is σ = 809435161384704. Its totient is φ = 303416867179584.

The previous prime is 531085671111449. The next prime is 531085671111493. The reversal of 531085671111471 is 174111176580135.

It is an interprime number because it is at equal distance from previous prime (531085671111449) and next prime (531085671111493).

It is not a de Polignac number, because 531085671111471 - 2⁴¹ = 528886647855919 is a prime.

It is a super-3 number, since 3×531085671111471³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531085671111431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2527357846 + ... + 2527567971.

It is an arithmetic number, because the mean of its divisors is an integer number (50589697586544).

Almost surely, 2^{531085671111471} is an apocalyptic number.

531085671111471 is a deficient number, since it is larger than the sum of its proper divisors (278349490273233).

531085671111471 is a wasteful number, since it uses less digits than its factorization.

531085671111471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054930830.

The product of its (nonzero) digits is 705600, while the sum is 51.

The spelling of 531085671111471 in words is "five hundred thirty-one trillion, eighty-five billion, six hundred seventy-one million, one hundred eleven thousand, four hundred seventy-one".