38111232081 has 12 divisors (see below), whose sum is σ = 55024501488. Its totient is φ = 23453065584.

The previous prime is 38111232037. The next prime is 38111232097. The reversal of 38111232081 is 18023211183.

It is not a de Polignac number, because 38111232081 - 2⁶ = 38111232017 is a prime.

It is a super-2 number, since 2×38111232081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38111236081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37584535 + ... + 37585548.

It is an arithmetic number, because the mean of its divisors is an integer number (4585375124).

Almost surely, 2^38111232081 is an apocalyptic number.

It is an amenable number.

38111232081 is a deficient number, since it is larger than the sum of its proper divisors (16913269407).

38111232081 is a wasteful number, since it uses less digits than its factorization.

38111232081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75170112 (or 75170099 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 38111232081 in words is "thirty-eight billion, one hundred eleven million, two hundred thirty-two thousand, eighty-one".