142111431011 has 8 divisors (see below), whose sum is σ = 155896747200. Its totient is φ = 128470464040.

The previous prime is 142111430977. The next prime is 142111431071. The reversal of 142111431011 is 110134111241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142111431011 - 2¹⁸ = 142111168867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142111431071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36085241 + ... + 36089178.

It is an arithmetic number, because the mean of its divisors is an integer number (19487093400).

Almost surely, 2^142111431011 is an apocalyptic number.

142111431011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142111431011 is a deficient number, since it is larger than the sum of its proper divisors (13785316189).

142111431011 is a wasteful number, since it uses less digits than its factorization.

142111431011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72174609.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 142111431011 its reverse (110134111241), we get a palindrome (252245542252).

The spelling of 142111431011 in words is "one hundred forty-two billion, one hundred eleven million, four hundred thirty-one thousand, eleven".