5539111851 has 24 divisors (see below), whose sum is σ = 9252146064. Its totient is φ = 2921728320.

The previous prime is 5539111841. The next prime is 5539111871. The reversal of 5539111851 is 1581119355.

It is not a de Polignac number, because 5539111851 - 2⁷ = 5539111723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (5539111841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1447360 + ... + 1451181.

It is an arithmetic number, because the mean of its divisors is an integer number (385506086).

Almost surely, 2^5539111851 is an apocalyptic number.

5539111851 is a deficient number, since it is larger than the sum of its proper divisors (3713034213).

5539111851 is a wasteful number, since it uses less digits than its factorization.

5539111851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898571 (or 2898564 counting only the distinct ones).

The product of its digits is 27000, while the sum is 39.

The square root of 5539111851 is about 74425.2097813637. The cubic root of 5539111851 is about 1769.3484840802.

The spelling of 5539111851 in words is "five billion, five hundred thirty-nine million, one hundred eleven thousand, eight hundred fifty-one".