111604044545 has 8 divisors (see below), whose sum is σ = 153056975424. Its totient is φ = 76528487664.

The previous prime is 111604044509. The next prime is 111604044551. The reversal of 111604044545 is 545440406111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111604044545 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 3188686987 = 111604044545 / (1 + 1 + 1 + 6 + 0 + 4 + 0 + 4 + 4 + 5 + 4 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594343459 + ... + 1594343528.

It is an arithmetic number, because the mean of its divisors is an integer number (19132121928).

Almost surely, 2^111604044545 is an apocalyptic number.

It is an amenable number.

111604044545 is a deficient number, since it is larger than the sum of its proper divisors (41452930879).

111604044545 is an equidigital number, since it uses as much as digits as its factorization.

111604044545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188686999.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 111604044545 in words is "one hundred eleven billion, six hundred four million, forty-four thousand, five hundred forty-five".