155120116516333 has 4 divisors (see below), whose sum is σ = 155452279507200. Its totient is φ = 154787953525468.

The previous prime is 155120116516331. The next prime is 155120116516357. The reversal of 155120116516333 is 333615611021551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155120116516333 - 2¹ = 155120116516331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155120116516333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155120116516331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166081494733 + ... + 166081495666.

It is an arithmetic number, because the mean of its divisors is an integer number (38863069876800).

Almost surely, 2^{155120116516333} is an apocalyptic number.

It is an amenable number.

155120116516333 is a deficient number, since it is larger than the sum of its proper divisors (332162990867).

155120116516333 is an equidigital number, since it uses as much as digits as its factorization.

155120116516333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332162990866.

The product of its (nonzero) digits is 243000, while the sum is 43.

Adding to 155120116516333 its reverse (333615611021551), we get a palindrome (488735727537884).

The spelling of 155120116516333 in words is "one hundred fifty-five trillion, one hundred twenty billion, one hundred sixteen million, five hundred sixteen thousand, three hundred thirty-three".