11132021129 has 4 divisors (see below), whose sum is σ = 11136999684. Its totient is φ = 11127042576.

The previous prime is 11132021041. The next prime is 11132021161. The reversal of 11132021129 is 92112023111.

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 7396000000 + 3736021129 = 86000^2 + 61123^2 .

It is a cyclic number.

It is not a de Polignac number, because 11132021129 - 2¹² = 11132017033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11132021179) 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, 2485922 + ... + 2490395.

It is an arithmetic number, because the mean of its divisors is an integer number (2784249921).

Almost surely, 2^11132021129 is an apocalyptic number.

It is an amenable number.

11132021129 is a deficient number, since it is larger than the sum of its proper divisors (4978555).

11132021129 is an equidigital number, since it uses as much as digits as its factorization.

11132021129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978554.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 11132021129 in words is "eleven billion, one hundred thirty-two million, twenty-one thousand, one hundred twenty-nine".