11155010905 has 16 divisors (see below), whose sum is σ = 13578840000. Its totient is φ = 8796374080.

The previous prime is 11155010873. The next prime is 11155010927. The reversal of 11155010905 is 50901055111.

It is not a de Polignac number, because 11155010905 - 2⁵ = 11155010873 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 40446 + ... + 154744.

It is an arithmetic number, because the mean of its divisors is an integer number (848677500).

Almost surely, 2^11155010905 is an apocalyptic number.

It is an amenable number.

11155010905 is a deficient number, since it is larger than the sum of its proper divisors (2423829095).

11155010905 is a wasteful number, since it uses less digits than its factorization.

11155010905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114584.

The product of its (nonzero) digits is 1125, while the sum is 28.

The spelling of 11155010905 in words is "eleven billion, one hundred fifty-five million, ten thousand, nine hundred five".