442312152115 has 4 divisors (see below), whose sum is σ = 530774582544. Its totient is φ = 353849721688.

The previous prime is 442312152103. The next prime is 442312152119. The reversal of 442312152115 is 511251213244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442312152115 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442312152119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44231215207 + ... + 44231215216.

It is an arithmetic number, because the mean of its divisors is an integer number (132693645636).

Almost surely, 2^442312152115 is an apocalyptic number.

442312152115 is a deficient number, since it is larger than the sum of its proper divisors (88462430429).

442312152115 is an equidigital number, since it uses as much as digits as its factorization.

442312152115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88462430428.

The product of its digits is 9600, while the sum is 31.

Adding to 442312152115 its reverse (511251213244), we get a palindrome (953563365359).

The spelling of 442312152115 in words is "four hundred forty-two billion, three hundred twelve million, one hundred fifty-two thousand, one hundred fifteen".