11808150506 has 4 divisors (see below), whose sum is σ = 17712225762. Its totient is φ = 5904075252.

The previous prime is 11808150503. The next prime is 11808150521. The reversal of 11808150506 is 60505180811.

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

It can be written as a sum of positive squares in only one way, i.e., 8773132225 + 3035018281 = 93665^2 + 55091^2 .

It is not an unprimeable number, because it can be changed into a prime (11808150503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2952037625 + ... + 2952037628.

Almost surely, 2^11808150506 is an apocalyptic number.

11808150506 is a deficient number, since it is larger than the sum of its proper divisors (5904075256).

11808150506 is an equidigital number, since it uses as much as digits as its factorization.

11808150506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5904075255.

The product of its (nonzero) digits is 9600, while the sum is 35.

The spelling of 11808150506 in words is "eleven billion, eight hundred eight million, one hundred fifty thousand, five hundred six".