142111550105552 has 80 divisors (see below), whose sum is σ = 285222979275264. Its totient is φ = 68522161344000.

The previous prime is 142111550105543. The next prime is 142111550105563. The reversal of 142111550105552 is 255501055111241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164442902 + ... + 165304842.

Almost surely, 2^{142111550105552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142111550105552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142611489637632).

142111550105552 is an abundant number, since it is smaller than the sum of its proper divisors (143111429169712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142111550105552 is a wasteful number, since it uses less digits than its factorization.

142111550105552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863148 (or 863142 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 38.

The spelling of 142111550105552 in words is "one hundred forty-two trillion, one hundred eleven billion, five hundred fifty million, one hundred five thousand, five hundred fifty-two".