11055105001601 has 2 divisors, whose sum is σ = 11055105001602. Its totient is φ = 11055105001600.

The previous prime is 11055105001547. The next prime is 11055105001607. The reversal of 11055105001601 is 10610050155011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7039730256001 + 4015374745600 = 2653249^2 + 2003840^2 .

It is a cyclic number.

It is not a de Polignac number, because 11055105001601 - 2²⁶ = 11055037892737 is a prime.

It is not a weakly prime, because it can be changed into another prime (11055105001607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527552500800 + 5527552500801.

It is an arithmetic number, because the mean of its divisors is an integer number (5527552500801).

Almost surely, 2^{11055105001601} is an apocalyptic number.

It is an amenable number.

11055105001601 is a deficient number, since it is larger than the sum of its proper divisors (1).

11055105001601 is an equidigital number, since it uses as much as digits as its factorization.

11055105001601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 11055105001601 its reverse (10610050155011), we get a palindrome (21665155156612).

The spelling of 11055105001601 in words is "eleven trillion, fifty-five billion, one hundred five million, one thousand, six hundred one".