11271237113 has 2 divisors, whose sum is σ = 11271237114. Its totient is φ = 11271237112.

The previous prime is 11271237097. The next prime is 11271237127. The reversal of 11271237113 is 31173217211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9313794064 + 1957443049 = 96508^2 + 44243^2 .

It is a cyclic number.

It is not a de Polignac number, because 11271237113 - 2⁴ = 11271237097 is a prime.

It is not a weakly prime, because it can be changed into another prime (11271237613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5635618556 + 5635618557.

It is an arithmetic number, because the mean of its divisors is an integer number (5635618557).

Almost surely, 2^11271237113 is an apocalyptic number.

It is an amenable number.

11271237113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11271237113 is an equidigital number, since it uses as much as digits as its factorization.

11271237113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764, while the sum is 29.

The spelling of 11271237113 in words is "eleven billion, two hundred seventy-one million, two hundred thirty-seven thousand, one hundred thirteen".