1115115556655 has 8 divisors (see below), whose sum is σ = 1338240949152. Its totient is φ = 892024257888.

The previous prime is 1115115556637. The next prime is 1115115556663. The reversal of 1115115556655 is 5566555115111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1115115556655 - 2²⁶ = 1115048447791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8451419 + ... + 8582348.

It is an arithmetic number, because the mean of its divisors is an integer number (167280118644).

Almost surely, 2^{1115115556655} is an apocalyptic number.

1115115556655 is a deficient number, since it is larger than the sum of its proper divisors (223125392497).

1115115556655 is a wasteful number, since it uses less digits than its factorization.

1115115556655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17046865.

The product of its digits is 562500, while the sum is 47.

The spelling of 1115115556655 in words is "one trillion, one hundred fifteen billion, one hundred fifteen million, five hundred fifty-six thousand, six hundred fifty-five".