11543262113 has 2 divisors, whose sum is σ = 11543262114. Its totient is φ = 11543262112.

The previous prime is 11543262097. The next prime is 11543262121. The reversal of 11543262113 is 31126234511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11540775184 + 2486929 = 107428^2 + 1577^2 .

It is a cyclic number.

It is not a de Polignac number, because 11543262113 - 2⁴ = 11543262097 is a prime.

It is not a weakly prime, because it can be changed into another prime (11543262193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771631056 + 5771631057.

It is an arithmetic number, because the mean of its divisors is an integer number (5771631057).

Almost surely, 2^11543262113 is an apocalyptic number.

It is an amenable number.

11543262113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11543262113 is an equidigital number, since it uses as much as digits as its factorization.

11543262113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

Adding to 11543262113 its reverse (31126234511), we get a palindrome (42669496624).

The spelling of 11543262113 in words is "eleven billion, five hundred forty-three million, two hundred sixty-two thousand, one hundred thirteen".