42665203115 has 8 divisors (see below), whose sum is σ = 51246963888. Its totient is φ = 34099682400.

The previous prime is 42665203109. The next prime is 42665203123. The reversal of 42665203115 is 51130256624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42665203115 - 2²² = 42661008811 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4054232 + ... + 4064741.

It is an arithmetic number, because the mean of its divisors is an integer number (6405870486).

Almost surely, 2^42665203115 is an apocalyptic number.

42665203115 is a deficient number, since it is larger than the sum of its proper divisors (8581760773).

42665203115 is a wasteful number, since it uses less digits than its factorization.

42665203115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8120029.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 42665203115 its reverse (51130256624), we get a palindrome (93795459739).

The spelling of 42665203115 in words is "forty-two billion, six hundred sixty-five million, two hundred three thousand, one hundred fifteen".