38905783111 has 4 divisors (see below), whose sum is σ = 41898535672. Its totient is φ = 35913030552.

The previous prime is 38905783061. The next prime is 38905783151. The reversal of 38905783111 is 11138750983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11138750983 = 23 ⋅484293521.

It is a cyclic number.

It is not a de Polignac number, because 38905783111 - 2¹¹ = 38905781063 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 (38905783151) 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 3 ways as a sum of consecutive naturals, for example, 1496376261 + ... + 1496376286.

It is an arithmetic number, because the mean of its divisors is an integer number (10474633918).

Almost surely, 2^38905783111 is an apocalyptic number.

38905783111 is a deficient number, since it is larger than the sum of its proper divisors (2992752561).

38905783111 is a wasteful number, since it uses less digits than its factorization.

38905783111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992752560.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 38905783111 in words is "thirty-eight billion, nine hundred five million, seven hundred eighty-three thousand, one hundred eleven".