18080557172126 has 32 divisors (see below), whose sum is σ = 29008317024000. Its totient is φ = 8433198627840.

The previous prime is 18080557172089. The next prime is 18080557172141. The reversal of 18080557172126 is 62127175508081.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7100051 + ... + 9304398.

It is an arithmetic number, because the mean of its divisors is an integer number (906509907000).

Almost surely, 2^{18080557172126} is an apocalyptic number.

18080557172126 is a deficient number, since it is larger than the sum of its proper divisors (10927759851874).

18080557172126 is a wasteful number, since it uses less digits than its factorization.

18080557172126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16405124.

The product of its (nonzero) digits is 1881600, while the sum is 53.

The spelling of 18080557172126 in words is "eighteen trillion, eighty billion, five hundred fifty-seven million, one hundred seventy-two thousand, one hundred twenty-six".