1156110113 has 2 divisors, whose sum is σ = 1156110114. Its totient is φ = 1156110112.

The previous prime is 1156110107. The next prime is 1156110127. The reversal of 1156110113 is 3110116511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 741091729 + 415018384 = 27223^2 + 20372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1156110113 - 2¹⁶ = 1156044577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1156110013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578055056 + 578055057.

It is an arithmetic number, because the mean of its divisors is an integer number (578055057).

Almost surely, 2^1156110113 is an apocalyptic number.

It is an amenable number.

1156110113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156110113 is an equidigital number, since it uses as much as digits as its factorization.

1156110113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 1156110113 is about 34001.6192702642. The cubic root of 1156110113 is about 1049.5417843438.

Adding to 1156110113 its reverse (3110116511), we get a palindrome (4266226624).

The spelling of 1156110113 in words is "one billion, one hundred fifty-six million, one hundred ten thousand, one hundred thirteen".