42011255306 has 4 divisors (see below), whose sum is σ = 63016882962. Its totient is φ = 21005627652.

The previous prime is 42011255303. The next prime is 42011255317. The reversal of 42011255306 is 60355211024.

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

It can be written as a sum of positive squares in only one way, i.e., 40598623081 + 1412632225 = 201491^2 + 37585^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42011255303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10502813825 + ... + 10502813828.

Almost surely, 2^42011255306 is an apocalyptic number.

42011255306 is a deficient number, since it is larger than the sum of its proper divisors (21005627656).

42011255306 is a wasteful number, since it uses less digits than its factorization.

42011255306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21005627655.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 42011255306 in words is "forty-two billion, eleven million, two hundred fifty-five thousand, three hundred six".