80924549243455 has 4 divisors (see below), whose sum is σ = 97109459092152. Its totient is φ = 64739639394760.

The previous prime is 80924549243443. The next prime is 80924549243581. The reversal of 80924549243455 is 55434294542908.

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

It is not a de Polignac number, because 80924549243455 - 2²³ = 80924540854847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8092454924341 + ... + 8092454924350.

It is an arithmetic number, because the mean of its divisors is an integer number (24277364773038).

Almost surely, 2^{80924549243455} is an apocalyptic number.

80924549243455 is a deficient number, since it is larger than the sum of its proper divisors (16184909848697).

80924549243455 is a wasteful number, since it uses less digits than its factorization.

80924549243455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16184909848696.

The product of its (nonzero) digits is 248832000, while the sum is 64.

The spelling of 80924549243455 in words is "eighty trillion, nine hundred twenty-four billion, five hundred forty-nine million, two hundred forty-three thousand, four hundred fifty-five".