5985391111531 has 16 divisors (see below), whose sum is σ = 6569439206400. Its totient is φ = 5419787012640.

The previous prime is 5985391111517. The next prime is 5985391111541. The reversal of 5985391111531 is 1351111935895.

It is not a de Polignac number, because 5985391111531 - 2¹³ = 5985391103339 is a prime.

It is a super-2 number, since 2×5985391111531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5985391111541) 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, 16109575 + ... + 16476928.

It is an arithmetic number, because the mean of its divisors is an integer number (410589950400).

Almost surely, 2^{5985391111531} is an apocalyptic number.

5985391111531 is a deficient number, since it is larger than the sum of its proper divisors (584048094869).

5985391111531 is a wasteful number, since it uses less digits than its factorization.

5985391111531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32586786.

The product of its digits is 729000, while the sum is 52.

The spelling of 5985391111531 in words is "five trillion, nine hundred eighty-five billion, three hundred ninety-one million, one hundred eleven thousand, five hundred thirty-one".