11510665055 has 16 divisors (see below), whose sum is σ = 14140394400. Its totient is φ = 8990327808.

The previous prime is 11510665037. The next prime is 11510665091. The reversal of 11510665055 is 55056601511.

It is a cyclic number.

It is not a de Polignac number, because 11510665055 - 2²⁶ = 11443556191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520871 + ... + 542519.

It is an arithmetic number, because the mean of its divisors is an integer number (883774650).

Almost surely, 2^11510665055 is an apocalyptic number.

11510665055 is a deficient number, since it is larger than the sum of its proper divisors (2629729345).

11510665055 is a wasteful number, since it uses less digits than its factorization.

11510665055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24170.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 11510665055 in words is "eleven billion, five hundred ten million, six hundred sixty-five thousand, fifty-five".