181455009053 has 8 divisors (see below), whose sum is σ = 182144419200. Its totient is φ = 180765709488.

The previous prime is 181455009023. The next prime is 181455009067. The reversal of 181455009053 is 350900554181.

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 181455009053 - 2¹⁴ = 181454992669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 181455009053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181455009023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4941800 + ... + 4978382.

It is an arithmetic number, because the mean of its divisors is an integer number (22768052400).

Almost surely, 2^181455009053 is an apocalyptic number.

It is an amenable number.

181455009053 is a deficient number, since it is larger than the sum of its proper divisors (689410147).

181455009053 is a wasteful number, since it uses less digits than its factorization.

181455009053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55291.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 181455009053 in words is "one hundred eighty-one billion, four hundred fifty-five million, nine thousand, fifty-three".