42531435115 has 32 divisors (see below), whose sum is σ = 58070476800. Its totient is φ = 29644755840.

The previous prime is 42531435109. The next prime is 42531435131. The reversal of 42531435115 is 51153413524.

42531435115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-42531435115 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271146 + ... + 398224.

It is an arithmetic number, because the mean of its divisors is an integer number (1814702400).

Almost surely, 2^42531435115 is an apocalyptic number.

42531435115 is a deficient number, since it is larger than the sum of its proper divisors (15539041685).

42531435115 is a wasteful number, since it uses less digits than its factorization.

42531435115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127387.

The product of its digits is 36000, while the sum is 34.

Adding to 42531435115 its reverse (51153413524), we get a palindrome (93684848639).

The spelling of 42531435115 in words is "forty-two billion, five hundred thirty-one million, four hundred thirty-five thousand, one hundred fifteen".