42412115525 has 36 divisors (see below), whose sum is σ = 60164151852. Its totient is φ = 29477314560.

The previous prime is 42412115521. The next prime is 42412115549. The reversal of 42412115525 is 52551121424.

It can be written as a sum of positive squares in 18 ways, for example, as 11335009156 + 31077106369 = 106466^2 + 176287^2 .

It is not a de Polignac number, because 42412115525 - 2² = 42412115521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42412115491 and 42412115500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42412115521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 131852 + ... + 319701.

Almost surely, 2^42412115525 is an apocalyptic number.

It is an amenable number.

42412115525 is a deficient number, since it is larger than the sum of its proper divisors (17752036327).

42412115525 is a wasteful number, since it uses less digits than its factorization.

42412115525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451610 (or 451588 counting only the distinct ones).

The product of its digits is 16000, while the sum is 32.

Adding to 42412115525 its reverse (52551121424), we get a palindrome (94963236949).

The spelling of 42412115525 in words is "forty-two billion, four hundred twelve million, one hundred fifteen thousand, five hundred twenty-five".