42497066511 has 6 divisors (see below), whose sum is σ = 61384651640. Its totient is φ = 28331377668.

The previous prime is 42497066461. The next prime is 42497066519. The reversal of 42497066511 is 11566079424.

42497066511 is a `hidden beast` number, since 4 + 2 + 4 + 9 + 70 + 66 + 511 = 666.

It is not a de Polignac number, because 42497066511 - 2⁹ = 42497065999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42497066519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2360948131 + ... + 2360948148.

Almost surely, 2^42497066511 is an apocalyptic number.

42497066511 is a deficient number, since it is larger than the sum of its proper divisors (18887585129).

42497066511 is a wasteful number, since it uses less digits than its factorization.

42497066511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721896285 (or 4721896282 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 42497066511 in words is "forty-two billion, four hundred ninety-seven million, sixty-six thousand, five hundred eleven".