180555011429776 has 45 divisors (see below), whose sum is σ = 350663033956459. Its totient is φ = 90061840645088.

The previous prime is 180555011429747. The next prime is 180555011429789. The reversal of 180555011429776 is 677924110555081.

The square root of 180555011429776 is 13437076.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×180555011429776² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23810494881 + ... + 23810502463.

Almost surely, 2^{180555011429776} is an apocalyptic number.

180555011429776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

180555011429776 is the 13437076-th square number.

It is an amenable number.

180555011429776 is a deficient number, since it is larger than the sum of its proper divisors (170108022526683).

180555011429776 is an frugal number, since it uses more digits than its factorization.

180555011429776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16060 (or 8028 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 61.

The spelling of 180555011429776 in words is "one hundred eighty trillion, five hundred fifty-five billion, eleven million, four hundred twenty-nine thousand, seven hundred seventy-six".