111929480505 has 32 divisors (see below), whose sum is σ = 199044529920. Its totient is φ = 59678087040.

The previous prime is 111929480497. The next prime is 111929480521. The reversal of 111929480505 is 505084929111.

111929480505 is a `hidden beast` number, since 1 + 11 + 92 + 9 + 48 + 0 + 505 = 666.

It is not a de Polignac number, because 111929480505 - 2³ = 111929480497 is a prime.

It is a super-2 number, since 2×111929480505² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342700 + ... + 584210.

It is an arithmetic number, because the mean of its divisors is an integer number (6220141560).

Almost surely, 2^111929480505 is an apocalyptic number.

111929480505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111929480505 is a deficient number, since it is larger than the sum of its proper divisors (87115049415).

111929480505 is a wasteful number, since it uses less digits than its factorization.

111929480505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244958 (or 244952 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The spelling of 111929480505 in words is "one hundred eleven billion, nine hundred twenty-nine million, four hundred eighty thousand, five hundred five".