38040673966511 has 4 divisors (see below), whose sum is σ = 38377317099072. Its totient is φ = 37704030833952.

The previous prime is 38040673966369. The next prime is 38040673966583. The reversal of 38040673966511 is 11566937604083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38040673966511 - 2¹⁸ = 38040673704367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38040673966111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168321566111 + ... + 168321566336.

It is an arithmetic number, because the mean of its divisors is an integer number (9594329274768).

Almost surely, 2^{38040673966511} is an apocalyptic number.

38040673966511 is a deficient number, since it is larger than the sum of its proper divisors (336643132561).

38040673966511 is a wasteful number, since it uses less digits than its factorization.

38040673966511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336643132560.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 38040673966511 in words is "thirty-eight trillion, forty billion, six hundred seventy-three million, nine hundred sixty-six thousand, five hundred eleven".