8013801232553 has 4 divisors (see below), whose sum is σ = 8014715954388. Its totient is φ = 8012886510720.

The previous prime is 8013801232543. The next prime is 8013801232561. The reversal of 8013801232553 is 3552321083108.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2885605471849 + 5128195760704 = 1698707^2 + 2264552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8013801232553 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 8013801232553.

It is not an unprimeable number, because it can be changed into a prime (8013801232543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457347776 + ... + 457365297.

It is an arithmetic number, because the mean of its divisors is an integer number (2003678988597).

Almost surely, 2^{8013801232553} is an apocalyptic number.

It is an amenable number.

8013801232553 is a deficient number, since it is larger than the sum of its proper divisors (914721835).

8013801232553 is an equidigital number, since it uses as much as digits as its factorization.

8013801232553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914721834.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 8013801232553 in words is "eight trillion, thirteen billion, eight hundred one million, two hundred thirty-two thousand, five hundred fifty-three".