389011111101 has 6 divisors (see below), whose sum is σ = 561904938270. Its totient is φ = 259340740728.

The previous prime is 389011111033. The next prime is 389011111157. The reversal of 389011111101 is 101111110983.

It can be written as a sum of positive squares in only one way, i.e., 384739835076 + 4271276025 = 620274^2 + 65355^2 .

It is not a de Polignac number, because 389011111101 - 2⁹ = 389011110589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389011111001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21611728386 + ... + 21611728403.

It is an arithmetic number, because the mean of its divisors is an integer number (93650823045).

Almost surely, 2^389011111101 is an apocalyptic number.

It is an amenable number.

389011111101 is a deficient number, since it is larger than the sum of its proper divisors (172893827169).

389011111101 is a wasteful number, since it uses less digits than its factorization.

389011111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43223456795 (or 43223456792 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 27.

The spelling of 389011111101 in words is "three hundred eighty-nine billion, eleven million, one hundred eleven thousand, one hundred one".