289102311121 has 8 divisors (see below), whose sum is σ = 318934632744. Its totient is φ = 260354801280.

The previous prime is 289102311107. The next prime is 289102311131. The reversal of 289102311121 is 121113201982.

It can be written as a sum of positive squares in 4 ways, for example, as 18889478721 + 270212832400 = 137439^2 + 519820^2 .

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 289102311121 - 2⁷ = 289102310993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (289102311131) 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, 271202386 + ... + 271203451.

It is an arithmetic number, because the mean of its divisors is an integer number (39866829093).

Almost surely, 2^289102311121 is an apocalyptic number.

It is an amenable number.

289102311121 is a deficient number, since it is larger than the sum of its proper divisors (29832321623).

289102311121 is a wasteful number, since it uses less digits than its factorization.

289102311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542405891.

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 289102311121 in words is "two hundred eighty-nine billion, one hundred two million, three hundred eleven thousand, one hundred twenty-one".