8020201517961 has 8 divisors (see below), whose sum is σ = 10697278076160. Its totient is φ = 5344962985872.

The previous prime is 8020201517891. The next prime is 8020201518013. The reversal of 8020201517961 is 1697151020208.

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

It is not a de Polignac number, because 8020201517961 - 2¹¹ = 8020201515913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8020201587961) 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, 459496345 + ... + 459513798.

It is an arithmetic number, because the mean of its divisors is an integer number (1337159759520).

Almost surely, 2^{8020201517961} is an apocalyptic number.

It is an amenable number.

8020201517961 is a deficient number, since it is larger than the sum of its proper divisors (2677076558199).

8020201517961 is a wasteful number, since it uses less digits than its factorization.

8020201517961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919013055.

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 8020201517961 in words is "eight trillion, twenty billion, two hundred one million, five hundred seventeen thousand, nine hundred sixty-one".