1105550061 has 16 divisors (see below), whose sum is σ = 1837797888. Its totient is φ = 574311600.

The previous prime is 1105550057. The next prime is 1105550063. The reversal of 1105550061 is 1600555011.

It is not a de Polignac number, because 1105550061 - 2² = 1105550057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105550063) 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 15 ways as a sum of consecutive naturals, for example, 2392735 + ... + 2393196.

It is an arithmetic number, because the mean of its divisors is an integer number (114862368).

Almost surely, 2^1105550061 is an apocalyptic number.

1105550061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1105550061 is a deficient number, since it is larger than the sum of its proper divisors (732247827).

1105550061 is a wasteful number, since it uses less digits than its factorization.

1105550061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785952.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1105550061 is about 33249.8129468423. The cubic root of 1105550061 is about 1034.0133302807.

It can be divided in two parts, 11055 and 50061, that multiplied together give a palindrome (553424355).

The spelling of 1105550061 in words is "one billion, one hundred five million, five hundred fifty thousand, sixty-one".