1103543055 has 32 divisors (see below), whose sum is σ = 1972857600. Its totient is φ = 585255456.

The previous prime is 1103543041. The next prime is 1103543071. The reversal of 1103543055 is 5503453011.

1103543055 is a `hidden beast` number, since 1 + 1 + 0 + 354 + 305 + 5 = 666.

It is not a de Polignac number, because 1103543055 - 2⁴ = 1103543039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1332 + ... + 46998.

It is an arithmetic number, because the mean of its divisors is an integer number (61651800).

Almost surely, 2^1103543055 is an apocalyptic number.

1103543055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1103543055 is a deficient number, since it is larger than the sum of its proper divisors (869314545).

1103543055 is a wasteful number, since it uses less digits than its factorization.

1103543055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45860 (or 45854 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1103543055 is about 33219.6185258049. The cubic root of 1103543055 is about 1033.3872383141.

Adding to 1103543055 its reverse (5503453011), we get a palindrome (6606996066).

The spelling of 1103543055 in words is "one billion, one hundred three million, five hundred forty-three thousand, fifty-five".