38771513811 has 16 divisors (see below), whose sum is σ = 60818061600. Its totient is φ = 24327224064.

The previous prime is 38771513731. The next prime is 38771513827. The reversal of 38771513811 is 11831517783.

It is not a de Polignac number, because 38771513811 - 2⁹ = 38771513299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38771513831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42234306 + ... + 42235223.

It is an arithmetic number, because the mean of its divisors is an integer number (3801128850).

Almost surely, 2^38771513811 is an apocalyptic number.

38771513811 is a deficient number, since it is larger than the sum of its proper divisors (22046547789).

38771513811 is a wasteful number, since it uses less digits than its factorization.

38771513811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84469555 (or 84469549 counting only the distinct ones).

The product of its digits is 141120, while the sum is 45.

The spelling of 38771513811 in words is "thirty-eight billion, seven hundred seventy-one million, five hundred thirteen thousand, eight hundred eleven".