11100551011 has 12 divisors (see below), whose sum is σ = 12234727456. Its totient is φ = 10063872720.

The previous prime is 11100550999. The next prime is 11100551017. The reversal of 11100551011 is 11015500111.

It is not a de Polignac number, because 11100551011 - 2⁷ = 11100550883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100551017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80580 + ... + 169393.

Almost surely, 2^11100551011 is an apocalyptic number.

11100551011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11100551011 is a deficient number, since it is larger than the sum of its proper divisors (1134176445).

11100551011 is a wasteful number, since it uses less digits than its factorization.

11100551011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250362 (or 250351 counting only the distinct ones).

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

The spelling of 11100551011 in words is "eleven billion, one hundred million, five hundred fifty-one thousand, eleven".