80120615085 has 48 divisors (see below), whose sum is σ = 159373843200. Its totient is φ = 36474554880.

The previous prime is 80120615077. The next prime is 80120615089. The reversal of 80120615085 is 58051602108.

80120615085 is a `hidden beast` number, since 80 + 12 + 0 + 61 + 508 + 5 = 666.

It is not a de Polignac number, because 80120615085 - 2³ = 80120615077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80120615089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 451785 + ... + 603614.

It is an arithmetic number, because the mean of its divisors is an integer number (3320288400).

Almost surely, 2^80120615085 is an apocalyptic number.

It is an amenable number.

80120615085 is a deficient number, since it is larger than the sum of its proper divisors (79253228115).

80120615085 is a wasteful number, since it uses less digits than its factorization.

80120615085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055658 (or 1055655 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The spelling of 80120615085 in words is "eighty billion, one hundred twenty million, six hundred fifteen thousand, eighty-five".