11522281489 has 8 divisors (see below), whose sum is σ = 11543031360. Its totient is φ = 11501550000.

The previous prime is 11522281487. The next prime is 11522281499. The reversal of 11522281489 is 98418222511.

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 11522281489 - 2¹ = 11522281487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11522281487) 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, 1885539 + ... + 1891639.

It is an arithmetic number, because the mean of its divisors is an integer number (1442878920).

Almost surely, 2^11522281489 is an apocalyptic number.

It is an amenable number.

11522281489 is a deficient number, since it is larger than the sum of its proper divisors (20749871).

11522281489 is an equidigital number, since it uses as much as digits as its factorization.

11522281489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9191.

The product of its digits is 92160, while the sum is 43.

The spelling of 11522281489 in words is "eleven billion, five hundred twenty-two million, two hundred eighty-one thousand, four hundred eighty-nine".