11605800373 has 4 divisors (see below), whose sum is σ = 11606441740. Its totient is φ = 11605159008.

The previous prime is 11605800359. The next prime is 11605800389. The reversal of 11605800373 is 37300850611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1674282724 + 9931517649 = 40918^2 + 99657^2 .

It is a cyclic number.

It is not a de Polignac number, because 11605800373 - 2³³ = 3015865781 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 (11605800473) 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, 292728 + ... + 330001.

It is an arithmetic number, because the mean of its divisors is an integer number (2901610435).

Almost surely, 2^11605800373 is an apocalyptic number.

It is an amenable number.

11605800373 is a deficient number, since it is larger than the sum of its proper divisors (641367).

11605800373 is an equidigital number, since it uses as much as digits as its factorization.

11605800373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641366.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 11605800373 in words is "eleven billion, six hundred five million, eight hundred thousand, three hundred seventy-three".