1105550145543 has 8 divisors (see below), whose sum is σ = 1508347485568. Its totient is φ = 719893117944.

The previous prime is 1105550145529. The next prime is 1105550145563. The reversal of 1105550145543 is 3455410555011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1105550145543 - 2³⁴ = 1088370276359 is a prime.

It is a super-2 number, since 2×1105550145543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105550145563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4285077955 + ... + 4285078212.

It is an arithmetic number, because the mean of its divisors is an integer number (188543435696).

Almost surely, 2^{1105550145543} is an apocalyptic number.

1105550145543 is a deficient number, since it is larger than the sum of its proper divisors (402797340025).

1105550145543 is an equidigital number, since it uses as much as digits as its factorization.

1105550145543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8570156213.

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 1105550145543 in words is "one trillion, one hundred five billion, five hundred fifty million, one hundred forty-five thousand, five hundred forty-three".