11104566640644 has 24 divisors (see below), whose sum is σ = 25915167349120. Its totient is φ = 3700877662944.

The previous prime is 11104566640591. The next prime is 11104566640667. The reversal of 11104566640644 is 44604666540111.

It is a happy number.

It is a super-2 number, since 2×11104566640644² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11104566640593 and 11104566640602.

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, 80497039 + ... + 80634870.

Almost surely, 2^{11104566640644} is an apocalyptic number.

It is an amenable number.

11104566640644 is an abundant number, since it is smaller than the sum of its proper divisors (14810600708476).

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

11104566640644 is a wasteful number, since it uses less digits than its factorization.

11104566640644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161137659 (or 161137657 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 11104566640644 in words is "eleven trillion, one hundred four billion, five hundred sixty-six million, six hundred forty thousand, six hundred forty-four".