42111354280319 has 4 divisors (see below), whose sum is σ = 43138460482320. Its totient is φ = 41084248078320.

The previous prime is 42111354280297. The next prime is 42111354280337. The reversal of 42111354280319 is 91308245311124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42111354280319 is a prime.

It is a super-4 number, since 4×42111354280319⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42111354280319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42111354280399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513553100939 + ... + 513553101020.

It is an arithmetic number, because the mean of its divisors is an integer number (10784615120580).

Almost surely, 2^{42111354280319} is an apocalyptic number.

42111354280319 is a deficient number, since it is larger than the sum of its proper divisors (1027106202001).

42111354280319 is a wasteful number, since it uses less digits than its factorization.

42111354280319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027106202000.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 42111354280319 in words is "forty-two trillion, one hundred eleven billion, three hundred fifty-four million, two hundred eighty thousand, three hundred nineteen".