80815756101 has 8 divisors (see below), whose sum is σ = 108821216544. Its totient is φ = 53343733200.

The previous prime is 80815756097. The next prime is 80815756103. The reversal of 80815756101 is 10165751808.

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

It is not a de Polignac number, because 80815756101 - 2² = 80815756097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80815756103) 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 7 ways as a sum of consecutive naturals, for example, 133359031 + ... + 133359636.

It is an arithmetic number, because the mean of its divisors is an integer number (13602652068).

Almost surely, 2^80815756101 is an apocalyptic number.

It is an amenable number.

80815756101 is a deficient number, since it is larger than the sum of its proper divisors (28005460443).

80815756101 is a wasteful number, since it uses less digits than its factorization.

80815756101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266718771.

The product of its (nonzero) digits is 67200, while the sum is 42.

The spelling of 80815756101 in words is "eighty billion, eight hundred fifteen million, seven hundred fifty-six thousand, one hundred one".