11278136712709 has 8 divisors (see below), whose sum is σ = 11294449920000. Its totient is φ = 11261834004432.

The previous prime is 11278136712643. The next prime is 11278136712721. The reversal of 11278136712709 is 90721763187211.

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

It is a cyclic number.

It is not a de Polignac number, because 11278136712709 - 2¹⁹ = 11278136188421 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 11278136712709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11278136712779) 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 7 ways as a sum of consecutive naturals, for example, 473509 + ... + 4772890.

It is an arithmetic number, because the mean of its divisors is an integer number (1411806240000).

Almost surely, 2^{11278136712709} is an apocalyptic number.

It is an amenable number.

11278136712709 is a deficient number, since it is larger than the sum of its proper divisors (16313207291).

11278136712709 is a wasteful number, since it uses less digits than its factorization.

11278136712709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249507.

The product of its (nonzero) digits is 1778112, while the sum is 55.

The spelling of 11278136712709 in words is "eleven trillion, two hundred seventy-eight billion, one hundred thirty-six million, seven hundred twelve thousand, seven hundred nine".