80018174779041 has 4 divisors (see below), whose sum is σ = 106690899705392. Its totient is φ = 53345449852692.

The previous prime is 80018174779031. The next prime is 80018174779061. The reversal of 80018174779041 is 14097747181008.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 80018174779041 - 2¹¹ = 80018174776993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80018174779031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13336362463171 + ... + 13336362463176.

It is an arithmetic number, because the mean of its divisors is an integer number (26672724926348).

Almost surely, 2^{80018174779041} is an apocalyptic number.

It is an amenable number.

80018174779041 is a deficient number, since it is larger than the sum of its proper divisors (26672724926351).

80018174779041 is a wasteful number, since it uses less digits than its factorization.

80018174779041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26672724926350.

The product of its (nonzero) digits is 3161088, while the sum is 57.

The spelling of 80018174779041 in words is "eighty trillion, eighteen billion, one hundred seventy-four million, seven hundred seventy-nine thousand, forty-one".