42012351115 has 16 divisors (see below), whose sum is σ = 58311122688. Its totient is φ = 28461377376.

The previous prime is 42012351071. The next prime is 42012351137. The reversal of 42012351115 is 51115321024.

It is a cyclic number.

It is not a de Polignac number, because 42012351115 - 2¹⁵ = 42012318347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42012351115.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7228137 + ... + 7233946.

It is an arithmetic number, because the mean of its divisors is an integer number (3644445168).

Almost surely, 2^42012351115 is an apocalyptic number.

42012351115 is a deficient number, since it is larger than the sum of its proper divisors (16298771573).

42012351115 is a wasteful number, since it uses less digits than its factorization.

42012351115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14462178.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 42012351115 its reverse (51115321024), we get a palindrome (93127672139).

The spelling of 42012351115 in words is "forty-two billion, twelve million, three hundred fifty-one thousand, one hundred fifteen".