142011515106666 has 24 divisors (see below), whose sum is σ = 307757376370080. Its totient is φ = 47327054732136.

The previous prime is 142011515106631. The next prime is 142011515106697. The reversal of 142011515106666 is 666601515110241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842994280 + ... + 843162723.

It is an arithmetic number, because the mean of its divisors is an integer number (12823224015420).

Almost surely, 2^{142011515106666} is an apocalyptic number.

142011515106666 is an abundant number, since it is smaller than the sum of its proper divisors (165745861263414).

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

142011515106666 is a wasteful number, since it uses less digits than its factorization.

142011515106666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686161690 (or 1686161687 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 142011515106666 in words is "one hundred forty-two trillion, eleven billion, five hundred fifteen million, one hundred six thousand, six hundred sixty-six".