11772203616660 has 48 divisors (see below), whose sum is σ = 33002319071232. Its totient is φ = 3135430588800.

The previous prime is 11772203616643. The next prime is 11772203616671. The reversal of 11772203616660 is 6661630227711.

It is a happy number.

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, 119441236 + ... + 119539755.

It is an arithmetic number, because the mean of its divisors is an integer number (687548313984).

Almost surely, 2^{11772203616660} is an apocalyptic number.

11772203616660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11772203616660 is an abundant number, since it is smaller than the sum of its proper divisors (21230115454572).

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

11772203616660 is a wasteful number, since it uses less digits than its factorization.

11772203616660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238981824 (or 238981822 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 11772203616660 in words is "eleven trillion, seven hundred seventy-two billion, two hundred three million, six hundred sixteen thousand, six hundred sixty".