11177666644 has 12 divisors (see below), whose sum is σ = 19561701600. Its totient is φ = 5588609048.

The previous prime is 11177666641. The next prime is 11177666671. The reversal of 11177666644 is 44666677111.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11177666641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112137 + ... + 186895.

It is an arithmetic number, because the mean of its divisors is an integer number (1630141800).

Almost surely, 2^11177666644 is an apocalyptic number.

It is an amenable number.

11177666644 is a deficient number, since it is larger than the sum of its proper divisors (8384034956).

11177666644 is a wasteful number, since it uses less digits than its factorization.

11177666644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112142 (or 112140 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The spelling of 11177666644 in words is "eleven billion, one hundred seventy-seven million, six hundred sixty-six thousand, six hundred forty-four".