1102355145503 has 4 divisors (see below), whose sum is σ = 1121039131080. Its totient is φ = 1083671159928.

The previous prime is 1102355145443. The next prime is 1102355145509. The reversal of 1102355145503 is 3055415532011.

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

It is a cyclic number.

It is not a de Polignac number, because 1102355145503 - 2¹⁶ = 1102355079967 is a prime.

It is a super-2 number, since 2×1102355145503² (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 (1102355145509) 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 3 ways as a sum of consecutive naturals, for example, 9341992700 + ... + 9341992817.

It is an arithmetic number, because the mean of its divisors is an integer number (280259782770).

Almost surely, 2^{1102355145503} is an apocalyptic number.

1102355145503 is a deficient number, since it is larger than the sum of its proper divisors (18683985577).

1102355145503 is an equidigital number, since it uses as much as digits as its factorization.

1102355145503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18683985576.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 1102355145503 in words is "one trillion, one hundred two billion, three hundred fifty-five million, one hundred forty-five thousand, five hundred three".