11390494569 has 8 divisors (see below), whose sum is σ = 15187835712.
Its totient is φ = 7593408240.
The previous prime is 11390494567. The next prime is 11390494613. The reversal of 11390494569 is 96549409311.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11390494569 - 21 = 11390494567 is a prime.
It is a super-3 number, since 3×113904945693 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (11390494567) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102699 + ... + 182559.
It is an arithmetic number, because the mean of its divisors is an integer number (1898479464).
Almost surely, 211390494569 is an apocalyptic number.
It is an amenable number.
11390494569 is a deficient number, since it is larger than the sum of its proper divisors (3797341143).
11390494569 is an equidigital number, since it uses as much as digits as its factorization.
11390494569 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127407.
The product of its (nonzero) digits is 1049760, while the sum is 51.
The spelling of 11390494569 in words is "eleven billion, three hundred ninety million, four hundred ninety-four thousand, five hundred sixty-nine".