11560217741 has 2 divisors, whose sum is σ = 11560217742. Its totient is φ = 11560217740.

The previous prime is 11560217737. The next prime is 11560217783. The reversal of 11560217741 is 14771206511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11034662116 + 525555625 = 105046^2 + 22925^2 .

It is an emirp because it is prime and its reverse (14771206511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11560217741 - 2² = 11560217737 is a prime.

It is a super-2 number, since 2×11560217741² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11560217041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5780108870 + 5780108871.

It is an arithmetic number, because the mean of its divisors is an integer number (5780108871).

Almost surely, 2^11560217741 is an apocalyptic number.

It is an amenable number.

11560217741 is a deficient number, since it is larger than the sum of its proper divisors (1).

11560217741 is an equidigital number, since it uses as much as digits as its factorization.

11560217741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 35.

The spelling of 11560217741 in words is "eleven billion, five hundred sixty million, two hundred seventeen thousand, seven hundred forty-one".