11123259121806 has 32 divisors (see below), whose sum is σ = 24467529074688. Its totient is φ = 3349721240160.

The previous prime is 11123259121787. The next prime is 11123259121813. The reversal of 11123259121806 is 60812195232111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1517080230 + ... + 1517087561.

It is an arithmetic number, because the mean of its divisors is an integer number (764610283584).

Almost surely, 2^{11123259121806} is an apocalyptic number.

11123259121806 is an abundant number, since it is smaller than the sum of its proper divisors (13344269952882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11123259121806 is a wasteful number, since it uses less digits than its factorization.

11123259121806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034167856.

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 11123259121806 in words is "eleven trillion, one hundred twenty-three billion, two hundred fifty-nine million, one hundred twenty-one thousand, eight hundred six".