83155105127842 has 48 divisors (see below), whose sum is σ = 144554336922240. Its totient is φ = 35572586169600.

The previous prime is 83155105127797. The next prime is 83155105127863. The reversal of 83155105127842 is 24872150155138.

It is a self number, because there is not a number n which added to its sum of digits gives 83155105127842.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 130077367 + ... + 130715077.

It is an arithmetic number, because the mean of its divisors is an integer number (3011548685880).

Almost surely, 2^{83155105127842} is an apocalyptic number.

83155105127842 is a deficient number, since it is larger than the sum of its proper divisors (61399231794398).

83155105127842 is a wasteful number, since it uses less digits than its factorization.

83155105127842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658267 (or 658250 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 52.

The spelling of 83155105127842 in words is "eighty-three trillion, one hundred fifty-five billion, one hundred five million, one hundred twenty-seven thousand, eight hundred forty-two".