142111404502 has 16 divisors (see below), whose sum is σ = 215920258560. Its totient is φ = 70138442088.

The previous prime is 142111404481. The next prime is 142111404559. The reversal of 142111404502 is 205404111241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520873 + ... + 745339.

It is an arithmetic number, because the mean of its divisors is an integer number (13495016160).

Almost surely, 2^142111404502 is an apocalyptic number.

142111404502 is a deficient number, since it is larger than the sum of its proper divisors (73808854058).

142111404502 is a wasteful number, since it uses less digits than its factorization.

142111404502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228555.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 142111404502 its reverse (205404111241), we get a palindrome (347515515743).

The spelling of 142111404502 in words is "one hundred forty-two billion, one hundred eleven million, four hundred four thousand, five hundred two".