442201553311 has 4 divisors (see below), whose sum is σ = 505373203792. Its totient is φ = 379029902832.

The previous prime is 442201553263. The next prime is 442201553333. The reversal of 442201553311 is 113355102244.

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

It is not a de Polignac number, because 442201553311 - 2¹⁵ = 442201520543 is a prime.

It is a super-2 number, since 2×442201553311² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442201553011) 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, 31585825230 + ... + 31585825243.

It is an arithmetic number, because the mean of its divisors is an integer number (126343300948).

Almost surely, 2^442201553311 is an apocalyptic number.

442201553311 is a deficient number, since it is larger than the sum of its proper divisors (63171650481).

442201553311 is an equidigital number, since it uses as much as digits as its factorization.

442201553311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63171650480.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 442201553311 its reverse (113355102244), we get a palindrome (555556655555).

The spelling of 442201553311 in words is "four hundred forty-two billion, two hundred one million, five hundred fifty-three thousand, three hundred eleven".