80415618555 has 8 divisors (see below), whose sum is σ = 128664989712. Its totient is φ = 42888329888.

The previous prime is 80415618511. The next prime is 80415618611. The reversal of 80415618555 is 55581651408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80415618555 - 2¹⁷ = 80415487483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2680520604 + ... + 2680520633.

It is an arithmetic number, because the mean of its divisors is an integer number (16083123714).

Almost surely, 2^80415618555 is an apocalyptic number.

80415618555 is a deficient number, since it is larger than the sum of its proper divisors (48249371157).

80415618555 is a wasteful number, since it uses less digits than its factorization.

80415618555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361041245.

The product of its (nonzero) digits is 960000, while the sum is 48.

The spelling of 80415618555 in words is "eighty billion, four hundred fifteen million, six hundred eighteen thousand, five hundred fifty-five".