11601660605644 has 6 divisors (see below), whose sum is σ = 20302906059884. Its totient is φ = 5800830302820.

The previous prime is 11601660605629. The next prime is 11601660605669. The reversal of 11601660605644 is 44650606610611.

It is a junction number, because it is equal to n+sod(n) for n = 11601660605594 and 11601660605603.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1450207575702 + ... + 1450207575709.

Almost surely, 2^{11601660605644} is an apocalyptic number.

It is an amenable number.

11601660605644 is a deficient number, since it is larger than the sum of its proper divisors (8701245454240).

11601660605644 is a wasteful number, since it uses less digits than its factorization.

11601660605644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900415151415 (or 2900415151413 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 11601660605644 in words is "eleven trillion, six hundred one billion, six hundred sixty million, six hundred five thousand, six hundred forty-four".