11050505100001 has 16 divisors (see below), whose sum is σ = 11636419291200. Its totient is φ = 10465022707200.

The previous prime is 11050505099951. The next prime is 11050505100059. The reversal of 11050505100001 is 10000150505011.

It is a happy number.

11050505100001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11050505100001 - 2⁷ = 11050505099873 is a prime.

It is a super-2 number, since 2×11050505100001² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11050505200001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925574490 + ... + 925586428.

It is an arithmetic number, because the mean of its divisors is an integer number (727276205700).

Almost surely, 2^{11050505100001} is an apocalyptic number.

It is an amenable number.

11050505100001 is a deficient number, since it is larger than the sum of its proper divisors (585914191199).

11050505100001 is a wasteful number, since it uses less digits than its factorization.

11050505100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25920.

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 11050505100001 its reverse (10000150505011), we get a palindrome (21050655605012).

The spelling of 11050505100001 in words is "eleven trillion, fifty billion, five hundred five million, one hundred thousand, one".