11057156566 has 8 divisors (see below), whose sum is σ = 16586335584. Its totient is φ = 5528378040.

The previous prime is 11057156549. The next prime is 11057156567. The reversal of 11057156566 is 66565175011.

11057156566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×11057156566² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11057156567) 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 3 ways as a sum of consecutive naturals, for example, 17445 + ... + 149728.

It is an arithmetic number, because the mean of its divisors is an integer number (2073291948).

Almost surely, 2^11057156566 is an apocalyptic number.

11057156566 is a deficient number, since it is larger than the sum of its proper divisors (5529179018).

11057156566 is a wasteful number, since it uses less digits than its factorization.

11057156566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200246.

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 11057156566 in words is "eleven billion, fifty-seven million, one hundred fifty-six thousand, five hundred sixty-six".