42242114251 has 4 divisors (see below), whose sum is σ = 42521863504. Its totient is φ = 41962365000.

The previous prime is 42242114221. The next prime is 42242114263. The reversal of 42242114251 is 15241124224.

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

It is a cyclic number.

It is not a de Polignac number, because 42242114251 - 2¹¹ = 42242112203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42242114221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 139874400 + ... + 139874701.

It is an arithmetic number, because the mean of its divisors is an integer number (10630465876).

Almost surely, 2^42242114251 is an apocalyptic number.

42242114251 is a deficient number, since it is larger than the sum of its proper divisors (279749253).

42242114251 is a wasteful number, since it uses less digits than its factorization.

42242114251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279749252.

The product of its digits is 5120, while the sum is 28.

Adding to 42242114251 its reverse (15241124224), we get a palindrome (57483238475).

The spelling of 42242114251 in words is "forty-two billion, two hundred forty-two million, one hundred fourteen thousand, two hundred fifty-one".