8020401161559 has 32 divisors (see below), whose sum is σ = 10976830179840. Its totient is φ = 5206975982208.

The previous prime is 8020401161551. The next prime is 8020401161561. The reversal of 8020401161559 is 9551611040208.

It is not a de Polignac number, because 8020401161559 - 2³ = 8020401161551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8020401161559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8020401161551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90415062 + ... + 90503724.

It is an arithmetic number, because the mean of its divisors is an integer number (343025943120).

Almost surely, 2^{8020401161559} is an apocalyptic number.

8020401161559 is a deficient number, since it is larger than the sum of its proper divisors (2956429018281).

8020401161559 is a wasteful number, since it uses less digits than its factorization.

8020401161559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92951.

The product of its (nonzero) digits is 86400, while the sum is 42.

The spelling of 8020401161559 in words is "eight trillion, twenty billion, four hundred one million, one hundred sixty-one thousand, five hundred fifty-nine".