11332144129 has 4 divisors (see below), whose sum is σ = 11332475460. Its totient is φ = 11331812800.

The previous prime is 11332144063. The next prime is 11332144133. The reversal of 11332144129 is 92144123311.

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 3649972225 + 7682171904 = 60415^2 + 87648^2 .

It is a cyclic number.

It is not a de Polignac number, because 11332144129 - 2¹³ = 11332135937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11332144129.

It is not an unprimeable number, because it can be changed into a prime (11332144169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107572 + ... + 185029.

It is an arithmetic number, because the mean of its divisors is an integer number (2833118865).

Almost surely, 2^11332144129 is an apocalyptic number.

It is an amenable number.

11332144129 is a deficient number, since it is larger than the sum of its proper divisors (331331).

11332144129 is an equidigital number, since it uses as much as digits as its factorization.

11332144129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331330.

The product of its digits is 5184, while the sum is 31.

The spelling of 11332144129 in words is "eleven billion, three hundred thirty-two million, one hundred forty-four thousand, one hundred twenty-nine".