42605035511 has 4 divisors (see below), whose sum is σ = 42614320224. Its totient is φ = 42595750800.

The previous prime is 42605035507. The next prime is 42605035591. The reversal of 42605035511 is 11553050624.

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 42605035511 - 2² = 42605035507 is a prime.

It is a super-2 number, since 2×42605035511² (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 (42605035591) 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, 4635470 + ... + 4644651.

It is an arithmetic number, because the mean of its divisors is an integer number (10653580056).

Almost surely, 2^42605035511 is an apocalyptic number.

42605035511 is a deficient number, since it is larger than the sum of its proper divisors (9284713).

42605035511 is an equidigital number, since it uses as much as digits as its factorization.

42605035511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9284712.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 42605035511 in words is "forty-two billion, six hundred five million, thirty-five thousand, five hundred eleven".