111010505005538 has 32 divisors (see below), whose sum is σ = 171307734554880. Its totient is φ = 53919721232640.

The previous prime is 111010505005483. The next prime is 111010505005573. The reversal of 111010505005538 is 835500505010111.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111010505005498 and 111010505005507.

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, 43819331 + ... + 46283417.

It is an arithmetic number, because the mean of its divisors is an integer number (5353366704840).

Almost surely, 2^{111010505005538} is an apocalyptic number.

111010505005538 is a deficient number, since it is larger than the sum of its proper divisors (60297229549342).

111010505005538 is a wasteful number, since it uses less digits than its factorization.

111010505005538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466482.

The product of its (nonzero) digits is 15000, while the sum is 35.

The spelling of 111010505005538 in words is "one hundred eleven trillion, ten billion, five hundred five million, five thousand, five hundred thirty-eight".