109078024545 has 64 divisors (see below), whose sum is σ = 234655280640. Its totient is φ = 46931042304.

The previous prime is 109078024537. The next prime is 109078024577. The reversal of 109078024545 is 545420870901.

109078024545 is a `hidden beast` number, since 1 + 0 + 9 + 0 + 7 + 80 + 24 + 545 = 666.

It is not a de Polignac number, because 109078024545 - 2³ = 109078024537 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 109078024545.

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 63 ways as a sum of consecutive naturals, for example, 3378832 + ... + 3410961.

It is an arithmetic number, because the mean of its divisors is an integer number (3666488760).

Almost surely, 2^109078024545 is an apocalyptic number.

109078024545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109078024545 is an abundant number, since it is smaller than the sum of its proper divisors (125577256095).

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

109078024545 is a wasteful number, since it uses less digits than its factorization.

109078024545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6789831 (or 6789825 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 109078024545 in words is "one hundred nine billion, seventy-eight million, twenty-four thousand, five hundred forty-five".