11051161001 has 4 divisors (see below), whose sum is σ = 11052492372. Its totient is φ = 11049829632.

The previous prime is 11051160973. The next prime is 11051161013. The reversal of 11051161001 is 10016115011.

11051161001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10016115011 = 7 ⋅1430873573.

It can be written as a sum of positive squares in 2 ways, for example, as 7323936400 + 3727224601 = 85580^2 + 61051^2 .

It is a cyclic number.

It is not a de Polignac number, because 11051161001 - 2⁶ = 11051160937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11051161031) 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 3 ways as a sum of consecutive naturals, for example, 653156 + ... + 669861.

It is an arithmetic number, because the mean of its divisors is an integer number (2763123093).

Almost surely, 2^11051161001 is an apocalyptic number.

It is an amenable number.

11051161001 is a deficient number, since it is larger than the sum of its proper divisors (1331371).

11051161001 is an equidigital number, since it uses as much as digits as its factorization.

11051161001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331370.

The product of its (nonzero) digits is 30, while the sum is 17.

Adding to 11051161001 its reverse (10016115011), we get a palindrome (21067276012).

The spelling of 11051161001 in words is "eleven billion, fifty-one million, one hundred sixty-one thousand, one".