1103332545545 has 4 divisors (see below), whose sum is σ = 1323999054660. Its totient is φ = 882666036432.

The previous prime is 1103332545541. The next prime is 1103332545551. The reversal of 1103332545545 is 5455452333011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 870811847929 + 232520697616 = 933173^2 + 482204^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103332545545 - 2² = 1103332545541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103332545541) 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 3 ways as a sum of consecutive naturals, for example, 110333254550 + ... + 110333254559.

It is an arithmetic number, because the mean of its divisors is an integer number (330999763665).

Almost surely, 2^{1103332545545} is an apocalyptic number.

It is an amenable number.

1103332545545 is a deficient number, since it is larger than the sum of its proper divisors (220666509115).

1103332545545 is an equidigital number, since it uses as much as digits as its factorization.

1103332545545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220666509114.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 1103332545545 its reverse (5455452333011), we get a palindrome (6558784878556).

The spelling of 1103332545545 in words is "one trillion, one hundred three billion, three hundred thirty-two million, five hundred forty-five thousand, five hundred forty-five".