11818432007 has 16 divisors (see below), whose sum is σ = 12101418912. Its totient is φ = 11538616320.

The previous prime is 11818431983. The next prime is 11818432027. The reversal of 11818432007 is 70023481811.

11818432007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11818432007 - 2¹⁰ = 11818430983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11818432027) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7263128 + ... + 7264754.

It is an arithmetic number, because the mean of its divisors is an integer number (756338682).

Almost surely, 2^11818432007 is an apocalyptic number.

11818432007 is a deficient number, since it is larger than the sum of its proper divisors (282986905).

11818432007 is a wasteful number, since it uses less digits than its factorization.

11818432007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498.

The product of its (nonzero) digits is 10752, while the sum is 35.

The spelling of 11818432007 in words is "eleven billion, eight hundred eighteen million, four hundred thirty-two thousand, seven".