42664132111 has 4 divisors (see below), whose sum is σ = 42664661424. Its totient is φ = 42663602800.

The previous prime is 42664132109. The next prime is 42664132163. The reversal of 42664132111 is 11123146624.

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 42664132111 - 2¹ = 42664132109 is a prime.

It is a super-2 number, since 2×42664132111² (a number of 22 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 (42664132811) 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, 115870 + ... + 314251.

It is an arithmetic number, because the mean of its divisors is an integer number (10666165356).

Almost surely, 2^42664132111 is an apocalyptic number.

42664132111 is a deficient number, since it is larger than the sum of its proper divisors (529313).

42664132111 is an equidigital number, since it uses as much as digits as its factorization.

42664132111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529312.

The product of its digits is 6912, while the sum is 31.

Adding to 42664132111 its reverse (11123146624), we get a palindrome (53787278735).

The spelling of 42664132111 in words is "forty-two billion, six hundred sixty-four million, one hundred thirty-two thousand, one hundred eleven".