42511141645 has 16 divisors (see below), whose sum is σ = 58306203648. Its totient is φ = 29147892480.

The previous prime is 42511141639. The next prime is 42511141649. The reversal of 42511141645 is 54614111524.

It is not a de Polignac number, because 42511141645 - 2³ = 42511141637 is a prime.

It is a super-3 number, since 3×42511141645³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 42511141645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42511141649) 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 15 ways as a sum of consecutive naturals, for example, 395557 + ... + 491413.

It is an arithmetic number, because the mean of its divisors is an integer number (3644137728).

Almost surely, 2^42511141645 is an apocalyptic number.

It is an amenable number.

42511141645 is a deficient number, since it is larger than the sum of its proper divisors (15795062003).

42511141645 is a wasteful number, since it uses less digits than its factorization.

42511141645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108540.

The product of its digits is 19200, while the sum is 34.

The spelling of 42511141645 in words is "forty-two billion, five hundred eleven million, one hundred forty-one thousand, six hundred forty-five".