1105520155 has 8 divisors (see below), whose sum is σ = 1340301312. Its totient is φ = 875298048.

The previous prime is 1105520147. The next prime is 1105520159. The reversal of 1105520155 is 5510255011.

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 1105520155 - 2³ = 1105520147 is a prime.

It is a super-2 number, since 2×1105520155² = 2444349626222448050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105520159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139227 + ... + 1140196.

It is an arithmetic number, because the mean of its divisors is an integer number (167537664).

Almost surely, 2^1105520155 is an apocalyptic number.

1105520155 is a deficient number, since it is larger than the sum of its proper divisors (234781157).

1105520155 is an equidigital number, since it uses as much as digits as its factorization.

1105520155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279525.

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 1105520155 is about 33249.3632269853. The cubic root of 1105520155 is about 1034.0040065716.

Adding to 1105520155 its reverse (5510255011), we get a palindrome (6615775166).

The spelling of 1105520155 in words is "one billion, one hundred five million, five hundred twenty thousand, one hundred fifty-five".