11277705660 has 48 divisors (see below), whose sum is σ = 34006622496. Its totient is φ = 2776050432.

The previous prime is 11277705641. The next prime is 11277705661. The reversal of 11277705660 is 6650777211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11277705661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7228519 + ... + 7230078.

It is an arithmetic number, because the mean of its divisors is an integer number (708471302).

Almost surely, 2^11277705660 is an apocalyptic number.

11277705660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11277705660 is an abundant number, since it is smaller than the sum of its proper divisors (22728916836).

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

11277705660 is a wasteful number, since it uses less digits than its factorization.

11277705660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14458622 (or 14458620 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 42.

The spelling of 11277705660 in words is "eleven billion, two hundred seventy-seven million, seven hundred five thousand, six hundred sixty".