489011101101 has 16 divisors (see below), whose sum is σ = 724508856000. Its totient is φ = 325985816304.

The previous prime is 489011101099. The next prime is 489011101123. The reversal of 489011101101 is 101101110984.

It is a happy number.

It is not a de Polignac number, because 489011101101 - 2¹ = 489011101099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489011105101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178846 + ... + 1004991.

It is an arithmetic number, because the mean of its divisors is an integer number (45281803500).

Almost surely, 2^489011101101 is an apocalyptic number.

It is an amenable number.

489011101101 is a deficient number, since it is larger than the sum of its proper divisors (235497754899).

489011101101 is a wasteful number, since it uses less digits than its factorization.

489011101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199145 (or 1199139 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 27.

The spelling of 489011101101 in words is "four hundred eighty-nine billion, eleven million, one hundred one thousand, one hundred one".