11291258289 has 4 divisors (see below), whose sum is σ = 15055011056. Its totient is φ = 7527505524.

The previous prime is 11291258267. The next prime is 11291258299. The reversal of 11291258289 is 98285219211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11291258289 - 2¹² = 11291254193 is a prime.

It is a super-2 number, since 2×11291258289² (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 (11291258299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1881876379 + ... + 1881876384.

It is an arithmetic number, because the mean of its divisors is an integer number (3763752764).

Almost surely, 2^11291258289 is an apocalyptic number.

It is an amenable number.

11291258289 is a deficient number, since it is larger than the sum of its proper divisors (3763752767).

11291258289 is an equidigital number, since it uses as much as digits as its factorization.

11291258289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763752766.

The product of its digits is 207360, while the sum is 48.

The spelling of 11291258289 in words is "eleven billion, two hundred ninety-one million, two hundred fifty-eight thousand, two hundred eighty-nine".