11520120066860 has 48 divisors (see below), whose sum is σ = 25627347738720. Its totient is φ = 4334950917120.

The previous prime is 11520120066853. The next prime is 11520120066869. The reversal of 11520120066860 is 6866002102511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11520120066869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7225415 + ... + 8674494.

It is an arithmetic number, because the mean of its divisors is an integer number (533903077890).

Almost surely, 2^{11520120066860} is an apocalyptic number.

11520120066860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11520120066860 is an abundant number, since it is smaller than the sum of its proper divisors (14107227671860).

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

11520120066860 is a wasteful number, since it uses less digits than its factorization.

11520120066860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15902066 (or 15902064 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 11520120066860 in words is "eleven trillion, five hundred twenty billion, one hundred twenty million, sixty-six thousand, eight hundred sixty".