801218117045 has 16 divisors (see below), whose sum is σ = 965724057792. Its totient is φ = 638133724800.

The previous prime is 801218116997. The next prime is 801218117059. The reversal of 801218117045 is 540711812108.

It is a happy number.

It is not a de Polignac number, because 801218117045 - 2¹⁶ = 801218051509 is a prime.

It is a super-3 number, since 3×801218117045³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

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, 8952770 + ... + 9041820.

It is an arithmetic number, because the mean of its divisors is an integer number (60357753612).

Almost surely, 2^801218117045 is an apocalyptic number.

It is an amenable number.

801218117045 is a deficient number, since it is larger than the sum of its proper divisors (164505940747).

801218117045 is a wasteful number, since it uses less digits than its factorization.

801218117045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97012.

The product of its (nonzero) digits is 17920, while the sum is 38.

The spelling of 801218117045 in words is "eight hundred one billion, two hundred eighteen million, one hundred seventeen thousand, forty-five".