11155011201 has 32 divisors (see below), whose sum is σ = 17800765440. Its totient is φ = 6883866000.

The previous prime is 11155011151. The next prime is 11155011251. The reversal of 11155011201 is 10211055111.

11155011201 is a `hidden beast` number, since 1 + 1 + 1 + 550 + 112 + 0 + 1 = 666.

11155011201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11155011151) and next prime (11155011251).

It is not a de Polignac number, because 11155011201 - 2¹⁴ = 11154994817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11155011251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270475 + ... + 308976.

It is an arithmetic number, because the mean of its divisors is an integer number (556273920).

Almost surely, 2^11155011201 is an apocalyptic number.

It is an amenable number.

11155011201 is a deficient number, since it is larger than the sum of its proper divisors (6645754239).

11155011201 is a wasteful number, since it uses less digits than its factorization.

11155011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579514 (or 579508 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 18.

Adding to 11155011201 its reverse (10211055111), we get a palindrome (21366066312).

The spelling of 11155011201 in words is "eleven billion, one hundred fifty-five million, eleven thousand, two hundred one".