18050155273 has 8 divisors (see below), whose sum is σ = 18299815496. Its totient is φ = 17800560000.

The previous prime is 18050155271. The next prime is 18050155307. The reversal of 18050155273 is 37255105081.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1266434569 + 16783720704 = 35587^2 + 129552^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 18050155273 - 2¹ = 18050155271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18050155271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887923 + ... + 908023.

It is an arithmetic number, because the mean of its divisors is an integer number (2287476937).

Almost surely, 2^18050155273 is an apocalyptic number.

It is an amenable number.

18050155273 is a deficient number, since it is larger than the sum of its proper divisors (249660223).

18050155273 is a wasteful number, since it uses less digits than its factorization.

18050155273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32475.

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 18050155273 in words is "eighteen billion, fifty million, one hundred fifty-five thousand, two hundred seventy-three".