11289001789 has 8 divisors (see below), whose sum is σ = 12204695160. Its totient is φ = 10380066816.

The previous prime is 11289001729. The next prime is 11289001817. The reversal of 11289001789 is 98710098211.

It can be written as a sum of positive squares in 4 ways, for example, as 1362864889 + 9926136900 = 36917^2 + 99630^2 .

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 11289001789 - 2⁹ = 11289001277 is a prime.

It is a super-2 number, since 2×11289001789² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11289001729) 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, 1686124 + ... + 1692805.

It is an arithmetic number, because the mean of its divisors is an integer number (1525586895).

Almost surely, 2^11289001789 is an apocalyptic number.

It is an amenable number.

11289001789 is a deficient number, since it is larger than the sum of its proper divisors (915693371).

11289001789 is a wasteful number, since it uses less digits than its factorization.

11289001789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379199.

The product of its (nonzero) digits is 72576, while the sum is 46.

The spelling of 11289001789 in words is "eleven billion, two hundred eighty-nine million, one thousand, seven hundred eighty-nine".