42351120251 has 8 divisors (see below), whose sum is σ = 48632865600. Its totient is φ = 36474648840.

The previous prime is 42351120211. The next prime is 42351120257. The reversal of 42351120251 is 15202115324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42351120251 - 2¹⁴ = 42351103867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42351120251.

It is not an unprimeable number, because it can be changed into a prime (42351120257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101318261 + ... + 101318678.

It is an arithmetic number, because the mean of its divisors is an integer number (6079108200).

Almost surely, 2^42351120251 is an apocalyptic number.

42351120251 is a deficient number, since it is larger than the sum of its proper divisors (6281745349).

42351120251 is a wasteful number, since it uses less digits than its factorization.

42351120251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202636969.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 42351120251 its reverse (15202115324), we get a palindrome (57553235575).

The spelling of 42351120251 in words is "forty-two billion, three hundred fifty-one million, one hundred twenty thousand, two hundred fifty-one".