11775641 has 2 divisors, whose sum is σ = 11775642. Its totient is φ = 11775640.

The previous prime is 11775613. The next prime is 11775677. The reversal of 11775641 is 14657711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10863616 + 912025 = 3296^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 11775641 - 2¹⁰ = 11774617 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11775598 and 11775607.

It is not a weakly prime, because it can be changed into another prime (11775601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5887820 + 5887821.

It is an arithmetic number, because the mean of its divisors is an integer number (5887821).

Almost surely, 2^11775641 is an apocalyptic number.

It is an amenable number.

11775641 is a deficient number, since it is larger than the sum of its proper divisors (1).

11775641 is an equidigital number, since it uses as much as digits as its factorization.

11775641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 32.

The square root of 11775641 is about 3431.5653862341. The cubic root of 11775641 is about 227.5070464347.

The spelling of 11775641 in words is "eleven million, seven hundred seventy-five thousand, six hundred forty-one".