80750825550005 has 16 divisors (see below), whose sum is σ = 110493437315184. Its totient is φ = 56123650698240.

The previous prime is 80750825550001. The next prime is 80750825550053. The reversal of 80750825550005 is 50005552805708.

It can be written as a sum of positive squares in 8 ways, for example, as 4891568232721 + 75859257317284 = 2211689^2 + 8709722^2 .

It is not a de Polignac number, because 80750825550005 - 2² = 80750825550001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80750825550001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36538833986 + ... + 36538836195.

It is an arithmetic number, because the mean of its divisors is an integer number (6905839832199).

Almost surely, 2^{80750825550005} is an apocalyptic number.

80750825550005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

80750825550005 is a deficient number, since it is larger than the sum of its proper divisors (29742611765179).

80750825550005 is a wasteful number, since it uses less digits than its factorization.

80750825550005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73077670216.

The product of its (nonzero) digits is 2800000, while the sum is 50.

The spelling of 80750825550005 in words is "eighty trillion, seven hundred fifty billion, eight hundred twenty-five million, five hundred fifty thousand, five".