140420424111 has 32 divisors (see below), whose sum is σ = 205016168448. Its totient is φ = 84783779040.

The previous prime is 140420424091. The next prime is 140420424169. The reversal of 140420424111 is 111424024041.

140420424111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140420424111 - 2¹⁸ = 140420161967 is a prime.

It is a super-2 number, since 2×140420424111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140420422111) 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 31 ways as a sum of consecutive naturals, for example, 9963876 + ... + 9977958.

It is an arithmetic number, because the mean of its divisors is an integer number (6406755264).

Almost surely, 2^140420424111 is an apocalyptic number.

140420424111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140420424111 is a deficient number, since it is larger than the sum of its proper divisors (64595744337).

140420424111 is a wasteful number, since it uses less digits than its factorization.

140420424111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15211.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 140420424111 its reverse (111424024041), we get a palindrome (251844448152).

The spelling of 140420424111 in words is "one hundred forty billion, four hundred twenty million, four hundred twenty-four thousand, one hundred eleven".