1131106061 has 2 divisors, whose sum is σ = 1131106062. Its totient is φ = 1131106060.

The previous prime is 1131106049. The next prime is 1131106079. The reversal of 1131106061 is 1606011311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1127683561 + 3422500 = 33581^2 + 1850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131106061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131106091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565553030 + 565553031.

It is an arithmetic number, because the mean of its divisors is an integer number (565553031).

Almost surely, 2^1131106061 is an apocalyptic number.

It is an amenable number.

1131106061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131106061 is an equidigital number, since it uses as much as digits as its factorization.

1131106061 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.

The square root of 1131106061 is about 33631.9202692918. The cubic root of 1131106061 is about 1041.9201646878.

Adding to 1131106061 its reverse (1606011311), we get a palindrome (2737117372).

The spelling of 1131106061 in words is "one billion, one hundred thirty-one million, one hundred six thousand, sixty-one".