11371805123 has 8 divisors (see below), whose sum is σ = 12997995360. Its totient is φ = 9746026560.

The previous prime is 11371805117. The next prime is 11371805129. The reversal of 11371805123 is 32150817311.

It is an interprime number because it is at equal distance from previous prime (11371805117) and next prime (11371805129).

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 11371805123 - 2¹⁰ = 11371804099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11371805123.

It is not an unprimeable number, because it can be changed into a prime (11371805129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41258 + ... + 156351.

It is an arithmetic number, because the mean of its divisors is an integer number (1624749420).

Almost surely, 2^11371805123 is an apocalyptic number.

11371805123 is a deficient number, since it is larger than the sum of its proper divisors (1626190237).

11371805123 is an equidigital number, since it uses as much as digits as its factorization.

11371805123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205837.

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 11371805123 in words is "eleven billion, three hundred seventy-one million, eight hundred five thousand, one hundred twenty-three".