5481111845 has 12 divisors (see below), whose sum is σ = 7229632620. Its totient is φ = 3986262720.

The previous prime is 5481111841. The next prime is 5481111863.

5481111845 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 789272836 + 4691839009 = 28094^2 + 68497^2 .

It is not a de Polignac number, because 5481111845 - 2² = 5481111841 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5481111799 and 5481111808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5481111841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4529240 + ... + 4530449.

It is an arithmetic number, because the mean of its divisors is an integer number (602469385).

Almost surely, 2^5481111845 is an apocalyptic number.

5481111845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5481111845 is a deficient number, since it is larger than the sum of its proper divisors (1748520775).

5481111845 is a wasteful number, since it uses less digits than its factorization.

5481111845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9059716 (or 9059705 counting only the distinct ones).

The product of its digits is 25600, while the sum is 38.

The square root of 5481111845 is about 74034.5314363507. The cubic root of 5481111845 is about 1763.1511905238.

The spelling of 5481111845 in words is "five billion, four hundred eighty-one million, one hundred eleven thousand, eight hundred forty-five".