11291204611 has 2 divisors, whose sum is σ = 11291204612. Its totient is φ = 11291204610.

The previous prime is 11291204599. The next prime is 11291204627. The reversal of 11291204611 is 11640219211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11291204611 - 2¹³ = 11291196419 is a prime.

It is a super-2 number, since 2×11291204611² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11291204611.

It is not a weakly prime, because it can be changed into another prime (11291204671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5645602305 + 5645602306.

It is an arithmetic number, because the mean of its divisors is an integer number (5645602306).

Almost surely, 2^11291204611 is an apocalyptic number.

11291204611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11291204611 is an equidigital number, since it uses as much as digits as its factorization.

11291204611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 11291204611 in words is "eleven billion, two hundred ninety-one million, two hundred four thousand, six hundred eleven".