42530122011 has 64 divisors (see below), whose sum is σ = 66208665600. Its totient is φ = 24046073856.

The previous prime is 42530122007. The next prime is 42530122021. The reversal of 42530122011 is 11022103524.

It is not a de Polignac number, because 42530122011 - 2² = 42530122007 is a prime.

It is a super-2 number, since 2×42530122011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42530122001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13678125 + ... + 13681233.

It is an arithmetic number, because the mean of its divisors is an integer number (1034510400).

Almost surely, 2^42530122011 is an apocalyptic number.

42530122011 is a deficient number, since it is larger than the sum of its proper divisors (23678543589).

42530122011 is a wasteful number, since it uses less digits than its factorization.

42530122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 42530122011 its reverse (11022103524), we get a palindrome (53552225535).

The spelling of 42530122011 in words is "forty-two billion, five hundred thirty million, one hundred twenty-two thousand, eleven".