11331144002 has 4 divisors (see below), whose sum is σ = 16996716006. Its totient is φ = 5665572000.

The previous prime is 11331143947. The next prime is 11331144053. The reversal of 11331144002 is 20044113311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20044113311 = 9601 ⋅2087711.

It can be written as a sum of positive squares in only one way, i.e., 6203295121 + 5127848881 = 78761^2 + 71609^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832785999 + ... + 2832786002.

Almost surely, 2^11331144002 is an apocalyptic number.

11331144002 is a deficient number, since it is larger than the sum of its proper divisors (5665572004).

11331144002 is an equidigital number, since it uses as much as digits as its factorization.

11331144002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665572003.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11331144002 its reverse (20044113311), we get a palindrome (31375257313).

The spelling of 11331144002 in words is "eleven billion, three hundred thirty-one million, one hundred forty-four thousand, two".