11228140289 has 8 divisors (see below), whose sum is σ = 11249684160. Its totient is φ = 11206618416.

The previous prime is 11228140283. The next prime is 11228140327. The reversal of 11228140289 is 98204182211.

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 11228140289 - 2²⁴ = 11211363073 is a prime.

It is a super-2 number, since 2×11228140289² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11228140283) 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, 1291772 + ... + 1300434.

It is an arithmetic number, because the mean of its divisors is an integer number (1406210520).

Almost surely, 2^11228140289 is an apocalyptic number.

It is an amenable number.

11228140289 is a deficient number, since it is larger than the sum of its proper divisors (21543871).

11228140289 is an equidigital number, since it uses as much as digits as its factorization.

11228140289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10999.

The product of its (nonzero) digits is 18432, while the sum is 38.

The spelling of 11228140289 in words is "eleven billion, two hundred twenty-eight million, one hundred forty thousand, two hundred eighty-nine".