11542740317 has 2 divisors, whose sum is σ = 11542740318. Its totient is φ = 11542740316.

The previous prime is 11542740301. The next prime is 11542740329. The reversal of 11542740317 is 71304724511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11128984036 + 413756281 = 105494^2 + 20341^2 .

It is an emirp because it is prime and its reverse (71304724511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11542740317 - 2⁴ = 11542740301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11542740397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771370158 + 5771370159.

It is an arithmetic number, because the mean of its divisors is an integer number (5771370159).

Almost surely, 2^11542740317 is an apocalyptic number.

It is an amenable number.

11542740317 is a deficient number, since it is larger than the sum of its proper divisors (1).

11542740317 is an equidigital number, since it uses as much as digits as its factorization.

11542740317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 11542740317 in words is "eleven billion, five hundred forty-two million, seven hundred forty thousand, three hundred seventeen".