48001381805 has 18 divisors (see below), whose sum is σ = 62381669886. Its totient is φ = 35442471168.

The previous prime is 48001381751. The next prime is 48001381811. The reversal of 48001381805 is 50818310084.

It can be written as a sum of positive squares in 9 ways, for example, as 30569724964 + 17431656841 = 174842^2 + 132029^2 .

It is not a de Polignac number, because 48001381805 - 2¹⁰ = 48001380781 is a prime.

It is a super-3 number, since 3×48001381805³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6364997 + ... + 6372533.

It is an arithmetic number, because the mean of its divisors is an integer number (3465648327).

Almost surely, 2^48001381805 is an apocalyptic number.

It is an amenable number.

48001381805 is a deficient number, since it is larger than the sum of its proper divisors (14380288081).

48001381805 is an frugal number, since it uses more digits than its factorization.

48001381805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15105 (or 7555 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

Adding to 48001381805 its reverse (50818310084), we get a palindrome (98819691889).

The spelling of 48001381805 in words is "forty-eight billion, one million, three hundred eighty-one thousand, eight hundred five".