11051051010001 has 16 divisors (see below), whose sum is σ = 11107683998928. Its totient is φ = 10994567270400.

The previous prime is 11051051009993. The next prime is 11051051010071. The reversal of 11051051010001 is 10001015015011.

It can be written as a sum of positive squares in 8 ways, for example, as 5899671797776 + 5151379212225 = 2428924^2 + 2269665^2 .

It is a cyclic number.

It is not a de Polignac number, because 11051051010001 - 2³ = 11051051009993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11051051010071) 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, 730833721 + ... + 730848841.

It is an arithmetic number, because the mean of its divisors is an integer number (694230249933).

Almost surely, 2^{11051051010001} is an apocalyptic number.

It is an amenable number.

11051051010001 is a deficient number, since it is larger than the sum of its proper divisors (56632988927).

11051051010001 is a wasteful number, since it uses less digits than its factorization.

11051051010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19812.

The product of its (nonzero) digits is 25, while the sum is 16.

Adding to 11051051010001 its reverse (10001015015011), we get a palindrome (21052066025012).

The spelling of 11051051010001 in words is "eleven trillion, fifty-one billion, fifty-one million, ten thousand, one".