38111557889 has 8 divisors (see below), whose sum is σ = 38425635840. Its totient is φ = 37797698736.

The previous prime is 38111557871. The next prime is 38111557903. The reversal of 38111557889 is 98875511183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38111557889 - 2²⁴ = 38094780673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38111557789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304787 + ... + 411239.

It is an arithmetic number, because the mean of its divisors is an integer number (4803204480).

Almost surely, 2^38111557889 is an apocalyptic number.

It is an amenable number.

38111557889 is a deficient number, since it is larger than the sum of its proper divisors (314077951).

38111557889 is a wasteful number, since it uses less digits than its factorization.

38111557889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109399.

The product of its digits is 2419200, while the sum is 56.

The spelling of 38111557889 in words is "thirty-eight billion, one hundred eleven million, five hundred fifty-seven thousand, eight hundred eighty-nine".