11133331129 has 2 divisors, whose sum is σ = 11133331130. Its totient is φ = 11133331128.

The previous prime is 11133331091. The next prime is 11133331273. The reversal of 11133331129 is 92113333111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6355756729 + 4777574400 = 79723^2 + 69120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11133331129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11133331097 and 11133331106.

It is not a weakly prime, because it can be changed into another prime (11133301129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566665564 + 5566665565.

It is an arithmetic number, because the mean of its divisors is an integer number (5566665565).

Almost surely, 2^11133331129 is an apocalyptic number.

It is an amenable number.

11133331129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11133331129 is an equidigital number, since it uses as much as digits as its factorization.

11133331129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 28.

The spelling of 11133331129 in words is "eleven billion, one hundred thirty-three million, three hundred thirty-one thousand, one hundred twenty-nine".