111142049862858 has 24 divisors (see below), whose sum is σ = 258575381314272. Its totient is φ = 31754871389304.

The previous prime is 111142049862827. The next prime is 111142049862901. The reversal of 111142049862858 is 858268940241111.

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, 189017091310 + ... + 189017091897.

It is an arithmetic number, because the mean of its divisors is an integer number (10773974221428).

Almost surely, 2^{111142049862858} is an apocalyptic number.

111142049862858 is an abundant number, since it is smaller than the sum of its proper divisors (147433331451414).

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

111142049862858 is a wasteful number, since it uses less digits than its factorization.

111142049862858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378034183226 (or 378034183219 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 60.

The spelling of 111142049862858 in words is "one hundred eleven trillion, one hundred forty-two billion, forty-nine million, eight hundred sixty-two thousand, eight hundred fifty-eight".