11030320644 has 24 divisors (see below), whose sum is σ = 29414188608. Its totient is φ = 3151520160.

The previous prime is 11030320627. The next prime is 11030320661. The reversal of 11030320644 is 44602303011.

It is an interprime number because it is at equal distance from previous prime (11030320627) and next prime (11030320661).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65656587 + ... + 65656754.

It is an arithmetic number, because the mean of its divisors is an integer number (1225591192).

Almost surely, 2^11030320644 is an apocalyptic number.

11030320644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11030320644 is an abundant number, since it is smaller than the sum of its proper divisors (18383867964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11030320644 is a wasteful number, since it uses less digits than its factorization.

11030320644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131313355 (or 131313353 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11030320644 its reverse (44602303011), we get a palindrome (55632623655).

The spelling of 11030320644 in words is "eleven billion, thirty million, three hundred twenty thousand, six hundred forty-four".