48275232181 has 6 divisors (see below), whose sum is σ = 53062858646. Its totient is φ = 43886574600.

The previous prime is 48275232169. The next prime is 48275232209. The reversal of 48275232181 is 18123257284.

It can be written as a sum of positive squares in only one way, i.e., 31481404900 + 16793827281 = 177430^2 + 129591^2 .

It is not a de Polignac number, because 48275232181 - 2¹⁹ = 48274707893 is a prime.

It is a super-2 number, since 2×48275232181² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48275232101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199484310 + ... + 199484551.

Almost surely, 2^48275232181 is an apocalyptic number.

It is an amenable number.

48275232181 is a deficient number, since it is larger than the sum of its proper divisors (4787626465).

48275232181 is a wasteful number, since it uses less digits than its factorization.

48275232181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398968883 (or 398968872 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The spelling of 48275232181 in words is "forty-eight billion, two hundred seventy-five million, two hundred thirty-two thousand, one hundred eighty-one".