1101666855 has 8 divisors (see below), whose sum is σ = 1762666992. Its totient is φ = 587555648.

The previous prime is 1101666803. The next prime is 1101666919. The reversal of 1101666855 is 5586661011.

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 1101666855 - 2⁶ = 1101666791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36722214 + ... + 36722243.

It is an arithmetic number, because the mean of its divisors is an integer number (220333374).

Almost surely, 2^1101666855 is an apocalyptic number.

1101666855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1101666855 is a deficient number, since it is larger than the sum of its proper divisors (661000137).

1101666855 is an equidigital number, since it uses as much as digits as its factorization.

1101666855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73444465.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 1101666855 is about 33191.3671758185. The cubic root of 1101666855 is about 1032.8012648151.

The spelling of 1101666855 in words is "one billion, one hundred one million, six hundred sixty-six thousand, eight hundred fifty-five".