42316212235525 has 12 divisors (see below), whose sum is σ = 52473304795012. Its totient is φ = 33852194547840.

The previous prime is 42316212235481. The next prime is 42316212235597. The reversal of 42316212235525 is 52553221261324.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 17955464004 + 42298256771521 = 133998^2 + 6503711^2 .

It is a de Polignac number, because none of the positive numbers 2^k-42316212235525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18266232 + ... + 20452081.

Almost surely, 2^{42316212235525} is an apocalyptic number.

It is an amenable number.

42316212235525 is a deficient number, since it is larger than the sum of its proper divisors (10157092559487).

42316212235525 is a wasteful number, since it uses less digits than its factorization.

42316212235525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38762040 (or 38762035 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

Adding to 42316212235525 its reverse (52553221261324), we get a palindrome (94869433496849).

The spelling of 42316212235525 in words is "forty-two trillion, three hundred sixteen billion, two hundred twelve million, two hundred thirty-five thousand, five hundred twenty-five".