11055891601 has 2 divisors, whose sum is σ = 11055891602. Its totient is φ = 11055891600.

The previous prime is 11055891577. The next prime is 11055891607. The reversal of 11055891601 is 10619855011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8939891601 + 2116000000 = 94551^2 + 46000^2 .

It is an emirp because it is prime and its reverse (10619855011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11055891601 - 2²⁹ = 10519020689 is a prime.

It is not a weakly prime, because it can be changed into another prime (11055891607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527945800 + 5527945801.

It is an arithmetic number, because the mean of its divisors is an integer number (5527945801).

Almost surely, 2^11055891601 is an apocalyptic number.

It is an amenable number.

11055891601 is a deficient number, since it is larger than the sum of its proper divisors (1).

11055891601 is an equidigital number, since it uses as much as digits as its factorization.

11055891601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 37.

The spelling of 11055891601 in words is "eleven billion, fifty-five million, eight hundred ninety-one thousand, six hundred one".