11777717660 has 12 divisors (see below), whose sum is σ = 24733207128. Its totient is φ = 4711087056.

The previous prime is 11777717659. The next prime is 11777717671. The reversal of 11777717660 is 6671777711.

It is a happy number.

11777717660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11777717599 and 11777717608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294442922 + ... + 294442961.

It is an arithmetic number, because the mean of its divisors is an integer number (2061100594).

Almost surely, 2^11777717660 is an apocalyptic number.

11777717660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11777717660 is an abundant number, since it is smaller than the sum of its proper divisors (12955489468).

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

11777717660 is a wasteful number, since it uses less digits than its factorization.

11777717660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588885892 (or 588885890 counting only the distinct ones).

The product of its (nonzero) digits is 605052, while the sum is 50.

The spelling of 11777717660 in words is "eleven billion, seven hundred seventy-seven million, seven hundred seventeen thousand, six hundred sixty".