11605550006646 has 12 divisors (see below), whose sum is σ = 25145358347772. Its totient is φ = 3868516668876.

The previous prime is 11605550006539. The next prime is 11605550006647. The reversal of 11605550006646 is 64660005550611.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11605550006647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322376389056 + ... + 322376389091.

It is an arithmetic number, because the mean of its divisors is an integer number (2095446528981).

Almost surely, 2^{11605550006646} is an apocalyptic number.

11605550006646 is an abundant number, since it is smaller than the sum of its proper divisors (13539808341126).

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

11605550006646 is a wasteful number, since it uses less digits than its factorization.

11605550006646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644752778155 (or 644752778152 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 11605550006646 in words is "eleven trillion, six hundred five billion, five hundred fifty million, six thousand, six hundred forty-six".