11520180907 has 8 divisors (see below), whose sum is σ = 11547868032. Its totient is φ = 11492520000.

The previous prime is 11520180901. The next prime is 11520180911. The reversal of 11520180907 is 70908102511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11520180907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11520180901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081407 + ... + 1092007.

It is an arithmetic number, because the mean of its divisors is an integer number (1443483504).

Almost surely, 2^11520180907 is an apocalyptic number.

11520180907 is a deficient number, since it is larger than the sum of its proper divisors (27687125).

11520180907 is a wasteful number, since it uses less digits than its factorization.

11520180907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13109.

The product of its (nonzero) digits is 5040, while the sum is 34.

The spelling of 11520180907 in words is "eleven billion, five hundred twenty million, one hundred eighty thousand, nine hundred seven".