84109111045 has 8 divisors (see below), whose sum is σ = 100932522624. Its totient is φ = 67286229264.

The previous prime is 84109111003. The next prime is 84109111049. The reversal of 84109111045 is 54011190148.

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

It is a cyclic number.

It is not a de Polignac number, because 84109111045 - 2²⁹ = 83572240133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84109111045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84109111049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448392 + ... + 607678.

It is an arithmetic number, because the mean of its divisors is an integer number (12616565328).

Almost surely, 2^84109111045 is an apocalyptic number.

It is an amenable number.

84109111045 is a deficient number, since it is larger than the sum of its proper divisors (16823411579).

84109111045 is a wasteful number, since it uses less digits than its factorization.

84109111045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264899.

The product of its (nonzero) digits is 5760, while the sum is 34.

The spelling of 84109111045 in words is "eighty-four billion, one hundred nine million, one hundred eleven thousand, forty-five".