11100551011051 has 16 divisors (see below), whose sum is σ = 11606531821920. Its totient is φ = 10608046366720.

The previous prime is 11100551011031. The next prime is 11100551011061. The reversal of 11100551011051 is 15011015500111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11100551011051 - 2²³ = 11100542622443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100551011021) 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, 13824886 + ... + 14605771.

It is an arithmetic number, because the mean of its divisors is an integer number (725408238870).

Almost surely, 2^{11100551011051} is an apocalyptic number.

11100551011051 is a deficient number, since it is larger than the sum of its proper divisors (505980810869).

11100551011051 is a wasteful number, since it uses less digits than its factorization.

11100551011051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28430894.

The product of its (nonzero) digits is 125, while the sum is 22.

Adding to 11100551011051 its reverse (15011015500111), we get a palindrome (26111566511162).

The spelling of 11100551011051 in words is "eleven trillion, one hundred billion, five hundred fifty-one million, eleven thousand, fifty-one".