155053422012303 has 8 divisors (see below), whose sum is σ = 229708773351600. Its totient is φ = 103368948008184.

The previous prime is 155053422012259. The next prime is 155053422012317. The reversal of 155053422012303 is 303210224350551.

155053422012303 is a `hidden beast` number, since 1 + 5 + 5 + 0 + 5 + 342 + 2 + 0 + 1 + 2 + 303 = 666.

It is not a de Polignac number, because 155053422012303 - 2⁶ = 155053422012239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155053422012323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2871359666868 + ... + 2871359666921.

It is an arithmetic number, because the mean of its divisors is an integer number (28713596668950).

Almost surely, 2^{155053422012303} is an apocalyptic number.

155053422012303 is a deficient number, since it is larger than the sum of its proper divisors (74655351339297).

155053422012303 is an equidigital number, since it uses as much as digits as its factorization.

155053422012303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742719333798 (or 5742719333792 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 155053422012303 its reverse (303210224350551), we get a palindrome (458263646362854).

The spelling of 155053422012303 in words is "one hundred fifty-five trillion, fifty-three billion, four hundred twenty-two million, twelve thousand, three hundred three".