142424045511111 has 24 divisors (see below), whose sum is σ = 253198303132320. Its totient is φ = 75124771258176.

The previous prime is 142424045511103. The next prime is 142424045511151. The reversal of 142424045511111 is 111115540424241.

142424045511111 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 24 + 0 + 4 + 5 + 511 + 111 = 666.

It is not a de Polignac number, because 142424045511111 - 2³ = 142424045511103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142424045511101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86949965916 + ... + 86949967553.

It is an arithmetic number, because the mean of its divisors is an integer number (10549929297180).

Almost surely, 2^{142424045511111} is an apocalyptic number.

142424045511111 is a deficient number, since it is larger than the sum of its proper divisors (110774257621209).

142424045511111 is a wasteful number, since it uses less digits than its factorization.

142424045511111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173899933495 (or 173899933492 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

Adding to 142424045511111 its reverse (111115540424241), we get a palindrome (253539585935352).

The spelling of 142424045511111 in words is "one hundred forty-two trillion, four hundred twenty-four billion, forty-five million, five hundred eleven thousand, one hundred eleven".