42111287456 has 24 divisors (see below), whose sum is σ = 94750397280. Its totient is φ = 18047694528.

The previous prime is 42111287441. The next prime is 42111287461. The reversal of 42111287456 is 65478211124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93998186 + ... + 93998633.

It is an arithmetic number, because the mean of its divisors is an integer number (3947933220).

Almost surely, 2^42111287456 is an apocalyptic number.

It is an amenable number.

42111287456 is an abundant number, since it is smaller than the sum of its proper divisors (52639109824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42111287456 is a wasteful number, since it uses less digits than its factorization.

42111287456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187996836 (or 187996828 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The spelling of 42111287456 in words is "forty-two billion, one hundred eleven million, two hundred eighty-seven thousand, four hundred fifty-six".