38183911311 has 64 divisors (see below), whose sum is σ = 67152734208. Its totient is φ = 18744473088.

The previous prime is 38183911277. The next prime is 38183911333. The reversal of 38183911311 is 11311938183.

It is not a de Polignac number, because 38183911311 - 2⁹ = 38183910799 is a prime.

It is a super-2 number, since 2×38183911311² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 38183911311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38183911391) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150145 + ... + 314501.

It is an arithmetic number, because the mean of its divisors is an integer number (1049261472).

Almost surely, 2^38183911311 is an apocalyptic number.

38183911311 is a deficient number, since it is larger than the sum of its proper divisors (28968822897).

38183911311 is a wasteful number, since it uses less digits than its factorization.

38183911311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164440.

The product of its digits is 15552, while the sum is 39.

The spelling of 38183911311 in words is "thirty-eight billion, one hundred eighty-three million, nine hundred eleven thousand, three hundred eleven".