11173066655 has 32 divisors (see below), whose sum is σ = 14673996288. Its totient is φ = 8130355200.

The previous prime is 11173066633. The next prime is 11173066699. The reversal of 11173066655 is 55666037111.

It is a happy number.

It is not a de Polignac number, because 11173066655 - 2⁶ = 11173066591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2319029 + ... + 2323841.

It is an arithmetic number, because the mean of its divisors is an integer number (458562384).

Almost surely, 2^11173066655 is an apocalyptic number.

11173066655 is a deficient number, since it is larger than the sum of its proper divisors (3500929633).

11173066655 is a wasteful number, since it uses less digits than its factorization.

11173066655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5747.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 11173066655 in words is "eleven billion, one hundred seventy-three million, sixty-six thousand, six hundred fifty-five".