111290428142 has 8 divisors (see below), whose sum is σ = 167321176176. Its totient is φ = 55516702752.

The previous prime is 111290428129. The next prime is 111290428157. The reversal of 111290428142 is 241824092111.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64254578 + ... + 64256309.

It is an arithmetic number, because the mean of its divisors is an integer number (20915147022).

Almost surely, 2^111290428142 is an apocalyptic number.

111290428142 is a deficient number, since it is larger than the sum of its proper divisors (56030748034).

111290428142 is a wasteful number, since it uses less digits than its factorization.

111290428142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128511322.

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 111290428142 in words is "one hundred eleven billion, two hundred ninety million, four hundred twenty-eight thousand, one hundred forty-two".