42561130611 has 8 divisors (see below), whose sum is σ = 56752263424. Its totient is φ = 28372042440.

The previous prime is 42561130603. The next prime is 42561130621. The reversal of 42561130611 is 11603116524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42561130611 - 2³ = 42561130603 is a prime.

It is a super-2 number, since 2×42561130611² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42561130621) 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 7 ways as a sum of consecutive naturals, for example, 461911 + ... + 546336.

It is an arithmetic number, because the mean of its divisors is an integer number (7094032928).

Almost surely, 2^42561130611 is an apocalyptic number.

42561130611 is a deficient number, since it is larger than the sum of its proper divisors (14191132813).

42561130611 is a wasteful number, since it uses less digits than its factorization.

42561130611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022321.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 42561130611 in words is "forty-two billion, five hundred sixty-one million, one hundred thirty thousand, six hundred eleven".