11121456646 has 8 divisors (see below), whose sum is σ = 17220320064. Its totient is φ = 5381349960.

The previous prime is 11121456623. The next prime is 11121456649. The reversal of 11121456646 is 64665412111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121456649) 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, 89689105 + ... + 89689228.

It is an arithmetic number, because the mean of its divisors is an integer number (2152540008).

Almost surely, 2^11121456646 is an apocalyptic number.

11121456646 is a deficient number, since it is larger than the sum of its proper divisors (6098863418).

11121456646 is a wasteful number, since it uses less digits than its factorization.

11121456646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179378366.

The product of its digits is 34560, while the sum is 37.

Adding to 11121456646 its reverse (64665412111), we get a palindrome (75786868757).

The spelling of 11121456646 in words is "eleven billion, one hundred twenty-one million, four hundred fifty-six thousand, six hundred forty-six".