42142030525 has 12 divisors (see below), whose sum is σ = 59721277792. Its totient is φ = 28897392240.

The previous prime is 42142030519. The next prime is 42142030547. The reversal of 42142030525 is 52503024124.

It is not a de Polignac number, because 42142030525 - 2¹¹ = 42142028477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42142030493 and 42142030502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120405627 + ... + 120405976.

Almost surely, 2^42142030525 is an apocalyptic number.

It is an amenable number.

42142030525 is a deficient number, since it is larger than the sum of its proper divisors (17579247267).

42142030525 is a wasteful number, since it uses less digits than its factorization.

42142030525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240811620 (or 240811615 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 42142030525 its reverse (52503024124), we get a palindrome (94645054649).

The spelling of 42142030525 in words is "forty-two billion, one hundred forty-two million, thirty thousand, five hundred twenty-five".