155120323320301 has 4 divisors (see below), whose sum is σ = 155344810040704. Its totient is φ = 154895836599900.

The previous prime is 155120323320257. The next prime is 155120323320367. The reversal of 155120323320301 is 103023323021551.

155120323320301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 155120323320301 - 2¹³ = 155120323312109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155120323320601) 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, 112243359165 + ... + 112243360546.

It is an arithmetic number, because the mean of its divisors is an integer number (38836202510176).

Almost surely, 2^{155120323320301} is an apocalyptic number.

It is an amenable number.

155120323320301 is a deficient number, since it is larger than the sum of its proper divisors (224486720403).

155120323320301 is an equidigital number, since it uses as much as digits as its factorization.

155120323320301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224486720402.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 155120323320301 its reverse (103023323021551), we get a palindrome (258143646341852).

The spelling of 155120323320301 in words is "one hundred fifty-five trillion, one hundred twenty billion, three hundred twenty-three million, three hundred twenty thousand, three hundred one".