48198188331081 has 6 divisors (see below), whose sum is σ = 69619605367130. Its totient is φ = 32132125554048.

The previous prime is 48198188331071. The next prime is 48198188331131. The reversal of 48198188331081 is 18013388189184.

48198188331081 is a `hidden beast` number, since 4 + 81 + 98 + 1 + 8 + 83 + 310 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27359008981056 + 20839179350025 = 5230584^2 + 4564995^2 .

It is not a de Polignac number, because 48198188331081 - 2¹¹ = 48198188329033 is a prime.

It is a super-2 number, since 2×48198188331081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48198188331001) 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, 2677677129496 + ... + 2677677129513.

Almost surely, 2^{48198188331081} is an apocalyptic number.

It is an amenable number.

48198188331081 is a deficient number, since it is larger than the sum of its proper divisors (21421417036049).

48198188331081 is a wasteful number, since it uses less digits than its factorization.

48198188331081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355354259015 (or 5355354259012 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 63.

The spelling of 48198188331081 in words is "forty-eight trillion, one hundred ninety-eight billion, one hundred eighty-eight million, three hundred thirty-one thousand, eighty-one".