11560783921000 has 64 divisors (see below), whose sum is σ = 28643542321680. Its totient is φ = 4352295116800.

The previous prime is 11560783920997. The next prime is 11560783921003. The reversal of 11560783921000 is 12938706511.

It is an interprime number because it is at equal distance from previous prime (11560783920997) and next prime (11560783921003).

It can be written as a sum of positive squares in 8 ways, for example, as 984512435076 + 10576271485924 = 992226^2 + 3252118^2 .

It is not an unprimeable number, because it can be changed into a prime (11560783921003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340006057 + ... + 340040056.

Almost surely, 2^{11560783921000} is an apocalyptic number.

11560783921000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11560783921000 is an abundant number, since it is smaller than the sum of its proper divisors (17082758400680).

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

11560783921000 is a wasteful number, since it uses less digits than its factorization.

11560783921000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680046151 (or 680046137 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 11560783921000 in words is "eleven trillion, five hundred sixty billion, seven hundred eighty-three million, nine hundred twenty-one thousand".