42120530411 has 4 divisors (see below), whose sum is σ = 42749195112. Its totient is φ = 41491865712.

The previous prime is 42120530393. The next prime is 42120530429. The reversal of 42120530411 is 11403502124.

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

It is an interprime number because it is at equal distance from previous prime (42120530393) and next prime (42120530429).

It is a cyclic number.

It is not a de Polignac number, because 42120530411 - 2³⁴ = 24940661227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42120530911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314332250 + ... + 314332383.

It is an arithmetic number, because the mean of its divisors is an integer number (10687298778).

Almost surely, 2^42120530411 is an apocalyptic number.

42120530411 is a deficient number, since it is larger than the sum of its proper divisors (628664701).

42120530411 is an equidigital number, since it uses as much as digits as its factorization.

42120530411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628664700.

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 42120530411 in words is "forty-two billion, one hundred twenty million, five hundred thirty thousand, four hundred eleven".