1105505655 has 32 divisors (see below), whose sum is σ = 1782466560. Its totient is φ = 585072000.

The previous prime is 1105505581. The next prime is 1105505669. The reversal of 1105505655 is 5565055011.

It is not a de Polignac number, because 1105505655 - 2¹² = 1105501559 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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1803129 + ... + 1803741.

It is an arithmetic number, because the mean of its divisors is an integer number (55702080).

Almost surely, 2^1105505655 is an apocalyptic number.

1105505655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1105505655 is a deficient number, since it is larger than the sum of its proper divisors (676960905).

1105505655 is a wasteful number, since it uses less digits than its factorization.

1105505655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351.

The product of its (nonzero) digits is 18750, while the sum is 33.

The square root of 1105505655 is about 33249.1451769816. The cubic root of 1105505655 is about 1033.9994858871. Note that the first 3 decimals are identical.

The spelling of 1105505655 in words is "one billion, one hundred five million, five hundred five thousand, six hundred fifty-five".