11054646646 has 4 divisors (see below), whose sum is σ = 16581969972. Its totient is φ = 5527323322.

The previous prime is 11054646643. The next prime is 11054646649. The reversal of 11054646646 is 64664645011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64664645011 = 19 ⋅3403402369.

It is an interprime number because it is at equal distance from previous prime (11054646643) and next prime (11054646649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11054646643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2763661660 + ... + 2763661663.

It is an arithmetic number, because the mean of its divisors is an integer number (4145492493).

Almost surely, 2^11054646646 is an apocalyptic number.

11054646646 is a deficient number, since it is larger than the sum of its proper divisors (5527323326).

11054646646 is an equidigital number, since it uses as much as digits as its factorization.

11054646646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5527323325.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 11054646646 in words is "eleven billion, fifty-four million, six hundred forty-six thousand, six hundred forty-six".