11500133005 has 4 divisors (see below), whose sum is σ = 13800159612. Its totient is φ = 9200106400.

The previous prime is 11500132997. The next prime is 11500133011. The reversal of 11500133005 is 50033100511.

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 7372969956 + 4127163049 = 85866^2 + 64243^2 .

It is not a de Polignac number, because 11500133005 - 2³ = 11500132997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150013296 + ... + 1150013305.

It is an arithmetic number, because the mean of its divisors is an integer number (3450039903).

Almost surely, 2^11500133005 is an apocalyptic number.

It is an amenable number.

11500133005 is a deficient number, since it is larger than the sum of its proper divisors (2300026607).

11500133005 is an equidigital number, since it uses as much as digits as its factorization.

11500133005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300026606.

The product of its (nonzero) digits is 225, while the sum is 19.

Adding to 11500133005 its reverse (50033100511), we get a palindrome (61533233516).

The spelling of 11500133005 in words is "eleven billion, five hundred million, one hundred thirty-three thousand, five".