42213105556 has 12 divisors (see below), whose sum is σ = 73920513492. Its totient is φ = 21092958848.

The previous prime is 42213105523. The next prime is 42213105559. The reversal of 42213105556 is 65550131224.

42213105556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3808864656 + 38404240900 = 61716^2 + 195970^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42213105559) 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, 3391495 + ... + 3403918.

It is an arithmetic number, because the mean of its divisors is an integer number (6160042791).

Almost surely, 2^42213105556 is an apocalyptic number.

It is an amenable number.

42213105556 is a deficient number, since it is larger than the sum of its proper divisors (31707407936).

42213105556 is a wasteful number, since it uses less digits than its factorization.

42213105556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6796970 (or 6796968 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 42213105556 in words is "forty-two billion, two hundred thirteen million, one hundred five thousand, five hundred fifty-six".