42052345211 has 4 divisors (see below), whose sum is σ = 42058388112.
Its totient is φ = 42046302312.
The previous prime is 42052345199. The next prime is 42052345217. The reversal of 42052345211 is 11254325024.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 42052345211 - 26 = 42052345147 is a prime.
It is a super-2 number, since 2×420523452112 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42052345217) 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, 3011000 + ... + 3024933.
It is an arithmetic number, because the mean of its divisors is an integer number (10514597028).
Almost surely, 242052345211 is an apocalyptic number.
42052345211 is a deficient number, since it is larger than the sum of its proper divisors (6042901).
42052345211 is an equidigital number, since it uses as much as digits as its factorization.
42052345211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6042900.
The product of its (nonzero) digits is 9600, while the sum is 29.
The spelling of 42052345211 in words is "forty-two billion, fifty-two million, three hundred forty-five thousand, two hundred eleven".