80581213395 has 20 divisors (see below), whose sum is σ = 144449286960. Its totient is φ = 42976646928.

The previous prime is 80581213393. The next prime is 80581213403. The reversal of 80581213395 is 59331218508.

It is not a de Polignac number, because 80581213395 - 2¹ = 80581213393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 80581213395.

It is not an unprimeable number, because it can be changed into a prime (80581213393) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 99482575 + ... + 99483384.

It is an arithmetic number, because the mean of its divisors is an integer number (7222464348).

Almost surely, 2^80581213395 is an apocalyptic number.

80581213395 is a deficient number, since it is larger than the sum of its proper divisors (63868073565).

80581213395 is a wasteful number, since it uses less digits than its factorization.

80581213395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198965976 (or 198965967 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 80581213395 in words is "eighty billion, five hundred eighty-one million, two hundred thirteen thousand, three hundred ninety-five".