42512260251 has 8 divisors (see below), whose sum is σ = 56684779600. Its totient is φ = 28340623872.

The previous prime is 42512260237. The next prime is 42512260279. The reversal of 42512260251 is 15206221524.

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

It is not a de Polignac number, because 42512260251 - 2⁷ = 42512260123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42512260291) 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, 98770 + ... + 307863.

It is an arithmetic number, because the mean of its divisors is an integer number (7085597450).

Almost surely, 2^42512260251 is an apocalyptic number.

42512260251 is a deficient number, since it is larger than the sum of its proper divisors (14172519349).

42512260251 is a wasteful number, since it uses less digits than its factorization.

42512260251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441485.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 42512260251 its reverse (15206221524), we get a palindrome (57718481775).

The spelling of 42512260251 in words is "forty-two billion, five hundred twelve million, two hundred sixty thousand, two hundred fifty-one".