42511611524 has 12 divisors (see below), whose sum is σ = 74398056348. Its totient is φ = 21255024000.

The previous prime is 42511611509. The next prime is 42511611529.

It is a happy number.

42511611524 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 6266305600 + 36245305924 = 79160^2 + 190382^2 .

It is a super-2 number, since 2×42511611524² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42511611529) 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 3 ways as a sum of consecutive naturals, for example, 63137 + ... + 298344.

It is an arithmetic number, because the mean of its divisors is an integer number (6199838029).

Almost surely, 2^42511611524 is an apocalyptic number.

It is an amenable number.

42511611524 is a deficient number, since it is larger than the sum of its proper divisors (31886444824).

42511611524 is a wasteful number, since it uses less digits than its factorization.

42511611524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390886 (or 390884 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The spelling of 42511611524 in words is "forty-two billion, five hundred eleven million, six hundred eleven thousand, five hundred twenty-four".