11057117555 has 16 divisors (see below), whose sum is σ = 14865984864. Its totient is φ = 7824199680.

The previous prime is 11057117531. The next prime is 11057117557. The reversal of 11057117555 is 55571175011.

11057117555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11057117555 - 2⁸ = 11057117299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11057117557) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2714702 + ... + 2718771.

It is an arithmetic number, because the mean of its divisors is an integer number (929124054).

Almost surely, 2^11057117555 is an apocalyptic number.

11057117555 is a deficient number, since it is larger than the sum of its proper divisors (3808867309).

11057117555 is a wasteful number, since it uses less digits than its factorization.

11057117555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433526.

The product of its (nonzero) digits is 30625, while the sum is 38.

The spelling of 11057117555 in words is "eleven billion, fifty-seven million, one hundred seventeen thousand, five hundred fifty-five".