42103347855 has 8 divisors (see below), whose sum is σ = 67365356592. Its totient is φ = 22455118848.

The previous prime is 42103347851. The next prime is 42103347919. The reversal of 42103347855 is 55874330124.

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

It is not a de Polignac number, because 42103347855 - 2² = 42103347851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42103347851) 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, 1403444914 + ... + 1403444943.

It is an arithmetic number, because the mean of its divisors is an integer number (8420669574).

Almost surely, 2^42103347855 is an apocalyptic number.

42103347855 is a deficient number, since it is larger than the sum of its proper divisors (25262008737).

42103347855 is a wasteful number, since it uses less digits than its factorization.

42103347855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806889865.

The product of its (nonzero) digits is 403200, while the sum is 42.

Adding to 42103347855 its reverse (55874330124), we get a palindrome (97977677979).

The spelling of 42103347855 in words is "forty-two billion, one hundred three million, three hundred forty-seven thousand, eight hundred fifty-five".