11481511844444 has 48 divisors (see below), whose sum is σ = 21602491653120. Its totient is φ = 5322320343360.

The previous prime is 11481511844423. The next prime is 11481511844497. The reversal of 11481511844444 is 44444811518411.

It is a super-2 number, since 2×11481511844444² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11481511844392 and 11481511844401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33804314 + ... + 34142270.

It is an arithmetic number, because the mean of its divisors is an integer number (450051909440).

Almost surely, 2^{11481511844444} is an apocalyptic number.

It is an amenable number.

11481511844444 is a deficient number, since it is larger than the sum of its proper divisors (10120979808676).

11481511844444 is a wasteful number, since it uses less digits than its factorization.

11481511844444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347538 (or 347536 counting only the distinct ones).

The product of its digits is 1310720, while the sum is 50.

The spelling of 11481511844444 in words is "eleven trillion, four hundred eighty-one billion, five hundred eleven million, eight hundred forty-four thousand, four hundred forty-four".