11133112061 has 2 divisors, whose sum is σ = 11133112062. Its totient is φ = 11133112060.

The previous prime is 11133112037. The next prime is 11133112121. The reversal of 11133112061 is 16021133111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5881356100 + 5251755961 = 76690^2 + 72469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11133112061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11133112561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566556030 + 5566556031.

It is an arithmetic number, because the mean of its divisors is an integer number (5566556031).

Almost surely, 2^11133112061 is an apocalyptic number.

It is an amenable number.

11133112061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11133112061 is an equidigital number, since it uses as much as digits as its factorization.

11133112061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 11133112061 its reverse (16021133111), we get a palindrome (27154245172).

The spelling of 11133112061 in words is "eleven billion, one hundred thirty-three million, one hundred twelve thousand, sixty-one".