11123259121807 has 16 divisors (see below), whose sum is σ = 12964001348160. Its totient is φ = 9345772380672.

The previous prime is 11123259121787. The next prime is 11123259121813. The reversal of 11123259121807 is 70812195232111.

11123259121807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11123259121807 - 2¹⁹ = 11123258597519 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 (11123259127807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13309882 + ... + 14120887.

It is an arithmetic number, because the mean of its divisors is an integer number (810250084260).

Almost surely, 2^{11123259121807} is an apocalyptic number.

11123259121807 is a deficient number, since it is larger than the sum of its proper divisors (1840742226353).

11123259121807 is a wasteful number, since it uses less digits than its factorization.

11123259121807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27431922.

The product of its (nonzero) digits is 60480, while the sum is 43.

The spelling of 11123259121807 in words is "eleven trillion, one hundred twenty-three billion, two hundred fifty-nine million, one hundred twenty-one thousand, eight hundred seven".