11100005050561 has 8 divisors (see below), whose sum is σ = 12686164635200. Its totient is φ = 9513956610288.

The previous prime is 11100005050549. The next prime is 11100005050567. The reversal of 11100005050561 is 16505050000111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11100005050561 - 2⁵ = 11100005050529 is a prime.

It is a super-2 number, since 2×11100005050561² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11100005050567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27571971 + ... + 27971656.

It is an arithmetic number, because the mean of its divisors is an integer number (1585770579400).

Almost surely, 2^{11100005050561} is an apocalyptic number.

It is an amenable number.

11100005050561 is a deficient number, since it is larger than the sum of its proper divisors (1586159584639).

11100005050561 is an equidigital number, since it uses as much as digits as its factorization.

11100005050561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55572183.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 11100005050561 its reverse (16505050000111), we get a palindrome (27605055050672).

The spelling of 11100005050561 in words is "eleven trillion, one hundred billion, five million, fifty thousand, five hundred sixty-one".