80166042031125 has 32 divisors (see below), whose sum is σ = 137001599205120. Its totient is φ = 41599675857600.

The previous prime is 80166042031123. The next prime is 80166042031157. The reversal of 80166042031125 is 52113024066108.

It is not a de Polignac number, because 80166042031125 - 2¹ = 80166042031123 is a prime.

It is a super-2 number, since 2×80166042031125² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80166042031123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2888852505 + ... + 2888880254.

It is an arithmetic number, because the mean of its divisors is an integer number (4281299975160).

Almost surely, 2^{80166042031125} is an apocalyptic number.

It is an amenable number.

80166042031125 is a deficient number, since it is larger than the sum of its proper divisors (56835557173995).

80166042031125 is a wasteful number, since it uses less digits than its factorization.

80166042031125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777732814 (or 5777732804 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 80166042031125 in words is "eighty trillion, one hundred sixty-six billion, forty-two million, thirty-one thousand, one hundred twenty-five".