1100644688011 has 12 divisors (see below), whose sum is σ = 1209830317416. Its totient is φ = 1000560619520.

The previous prime is 1100644687927. The next prime is 1100644688021. The reversal of 1100644688011 is 1108864460011.

It is a happy number.

It is not a de Polignac number, because 1100644688011 - 2³⁵ = 1066284949643 is a prime.

It is a super-2 number, since 2×1100644688011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100644688021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5980776 + ... + 6162058.

It is an arithmetic number, because the mean of its divisors is an integer number (100819193118).

Almost surely, 2^{1100644688011} is an apocalyptic number.

1100644688011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1100644688011 is a deficient number, since it is larger than the sum of its proper divisors (109185629405).

1100644688011 is a wasteful number, since it uses less digits than its factorization.

1100644688011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231482 (or 231471 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The spelling of 1100644688011 in words is "one trillion, one hundred billion, six hundred forty-four million, six hundred eighty-eight thousand, eleven".