42255213055503 has 48 divisors (see below), whose sum is σ = 66188479117824. Its totient is φ = 23906697212160.

The previous prime is 42255213055481. The next prime is 42255213055537. The reversal of 42255213055503 is 30555031255224.

It is not a de Polignac number, because 42255213055503 - 2²⁰ = 42255212006927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42255213055403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27194538 + ... + 28706328.

It is an arithmetic number, because the mean of its divisors is an integer number (1378926648288).

Almost surely, 2^{42255213055503} is an apocalyptic number.

42255213055503 is a deficient number, since it is larger than the sum of its proper divisors (23933266062321).

42255213055503 is a wasteful number, since it uses less digits than its factorization.

42255213055503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513692 (or 1513685 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 42255213055503 in words is "forty-two trillion, two hundred fifty-five billion, two hundred thirteen million, fifty-five thousand, five hundred three".