111129428435548 has 6 divisors (see below), whose sum is σ = 194476499762216. Its totient is φ = 55564714217772.

The previous prime is 111129428435477. The next prime is 111129428435579. The reversal of 111129428435548 is 845534824921111.

It is a junction number, because it is equal to n+sod(n) for n = 111129428435492 and 111129428435501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13891178554440 + ... + 13891178554447.

Almost surely, 2^{111129428435548} is an apocalyptic number.

It is an amenable number.

111129428435548 is a deficient number, since it is larger than the sum of its proper divisors (83347071326668).

111129428435548 is a wasteful number, since it uses less digits than its factorization.

111129428435548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27782357108891 (or 27782357108889 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 58.

The spelling of 111129428435548 in words is "one hundred eleven trillion, one hundred twenty-nine billion, four hundred twenty-eight million, four hundred thirty-five thousand, five hundred forty-eight".