11134455644 has 24 divisors (see below), whose sum is σ = 21236995920. Its totient is φ = 5077062144.

The previous prime is 11134455637. The next prime is 11134455671. The reversal of 11134455644 is 44655443111.

It is a super-2 number, since 2×11134455644² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11134455598 and 11134455607.

It is a congruent number.

It is an unprimeable number.

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, 1285589 + ... + 1294220.

It is an arithmetic number, because the mean of its divisors is an integer number (884874830).

Almost surely, 2^11134455644 is an apocalyptic number.

It is an amenable number.

11134455644 is a deficient number, since it is larger than the sum of its proper divisors (10102540276).

11134455644 is a wasteful number, since it uses less digits than its factorization.

11134455644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579909 (or 2579907 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

Adding to 11134455644 its reverse (44655443111), we get a palindrome (55789898755).

The spelling of 11134455644 in words is "eleven billion, one hundred thirty-four million, four hundred fifty-five thousand, six hundred forty-four".