801655052001 has 8 divisors (see below), whose sum is σ = 1068981333024. Its totient is φ = 534382736160.

The previous prime is 801655051991. The next prime is 801655052047. The reversal of 801655052001 is 100250556108.

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

It is not a de Polignac number, because 801655052001 - 2¹³ = 801655043809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (801655052071) 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, 13456620 + ... + 13516061.

It is an arithmetic number, because the mean of its divisors is an integer number (133622666628).

Almost surely, 2^801655052001 is an apocalyptic number.

It is an amenable number.

801655052001 is a deficient number, since it is larger than the sum of its proper divisors (267326281023).

801655052001 is a wasteful number, since it uses less digits than its factorization.

801655052001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26982591.

The product of its (nonzero) digits is 12000, while the sum is 33.

The spelling of 801655052001 in words is "eight hundred one billion, six hundred fifty-five million, fifty-two thousand, one".