1103343240555 has 32 divisors (see below), whose sum is σ = 1961542609920. Its totient is φ = 588436673760.

The previous prime is 1103343240529. The next prime is 1103343240557. The reversal of 1103343240555 is 5550423433011.

1103343240555 is a `hidden beast` number, since 1 + 1 + 0 + 3 + 34 + 32 + 40 + 555 = 666.

It is not a de Polignac number, because 1103343240555 - 2¹² = 1103343236459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103343240557) 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 31 ways as a sum of consecutive naturals, for example, 11276574 + ... + 11373996.

It is an arithmetic number, because the mean of its divisors is an integer number (61298206560).

Almost surely, 2^{1103343240555} is an apocalyptic number.

1103343240555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1103343240555 is a deficient number, since it is larger than the sum of its proper divisors (858199369365).

1103343240555 is an equidigital number, since it uses as much as digits as its factorization.

1103343240555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181328 (or 181322 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 1103343240555 its reverse (5550423433011), we get a palindrome (6653766673566).

The spelling of 1103343240555 in words is "one trillion, one hundred three billion, three hundred forty-three million, two hundred forty thousand, five hundred fifty-five".