11728014007 has 4 divisors (see below), whose sum is σ = 11733185080. Its totient is φ = 11722842936.

The previous prime is 11728013981. The next prime is 11728014013. The reversal of 11728014007 is 70041082711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11728014007 - 2³¹ = 9580530359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11728014007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728014037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2582133 + ... + 2586670.

It is an arithmetic number, because the mean of its divisors is an integer number (2933296270).

Almost surely, 2^11728014007 is an apocalyptic number.

11728014007 is a deficient number, since it is larger than the sum of its proper divisors (5171073).

11728014007 is an equidigital number, since it uses as much as digits as its factorization.

11728014007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171072.

The product of its (nonzero) digits is 3136, while the sum is 31.

Adding to 11728014007 its reverse (70041082711), we get a palindrome (81769096718).

The spelling of 11728014007 in words is "eleven billion, seven hundred twenty-eight million, fourteen thousand, seven".