1105550551 has 8 divisors (see below), whose sum is σ = 1304244224. Its totient is φ = 917046360.

The previous prime is 1105550533. The next prime is 1105550561. The reversal of 1105550551 is 1550555011.

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 1105550551 - 2¹⁷ = 1105419479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105550561) 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 7 ways as a sum of consecutive naturals, for example, 2547135 + ... + 2547568.

It is an arithmetic number, because the mean of its divisors is an integer number (163030528).

Almost surely, 2^1105550551 is an apocalyptic number.

1105550551 is a deficient number, since it is larger than the sum of its proper divisors (198693673).

1105550551 is an equidigital number, since it uses as much as digits as its factorization.

1105550551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094741.

The product of its (nonzero) digits is 3125, while the sum is 28.

The square root of 1105550551 is about 33249.8203153040. The cubic root of 1105550551 is about 1034.0134830452.

The spelling of 1105550551 in words is "one billion, one hundred five million, five hundred fifty thousand, five hundred fifty-one".