11340342569 has 2 divisors, whose sum is σ = 11340342570. Its totient is φ = 11340342568.

The previous prime is 11340342557. The next prime is 11340342577. The reversal of 11340342569 is 96524304311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10978848400 + 361494169 = 104780^2 + 19013^2 .

It is a cyclic number.

It is not a de Polignac number, because 11340342569 - 2¹⁶ = 11340277033 is a prime.

It is a super-2 number, since 2×11340342569² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11340342599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5670171284 + 5670171285.

It is an arithmetic number, because the mean of its divisors is an integer number (5670171285).

Almost surely, 2^11340342569 is an apocalyptic number.

It is an amenable number.

11340342569 is a deficient number, since it is larger than the sum of its proper divisors (1).

11340342569 is an equidigital number, since it uses as much as digits as its factorization.

11340342569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 11340342569 in words is "eleven billion, three hundred forty million, three hundred forty-two thousand, five hundred sixty-nine".