420124433431011 has 12 divisors (see below), whose sum is σ = 569499500747736. Its totient is φ = 275491431750720.

The previous prime is 420124433431007. The next prime is 420124433431013. The reversal of 420124433431011 is 110134334421024.

It is a happy number.

It is not a de Polignac number, because 420124433431011 - 2² = 420124433431007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420124433431013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18817709586 + ... + 18817731911.

It is an arithmetic number, because the mean of its divisors is an integer number (47458291728978).

Almost surely, 2^{420124433431011} is an apocalyptic number.

420124433431011 is a deficient number, since it is larger than the sum of its proper divisors (149375067316725).

420124433431011 is an equidigital number, since it uses as much as digits as its factorization.

420124433431011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37635441622 (or 37635441561 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 420124433431011 its reverse (110134334421024), we get a palindrome (530258767852035).

The spelling of 420124433431011 in words is "four hundred twenty trillion, one hundred twenty-four billion, four hundred thirty-three million, four hundred thirty-one thousand, eleven".