155055620500313 has 8 divisors (see below), whose sum is σ = 166983306615048. Its totient is φ = 143127981627264.

The previous prime is 155055620500301. The next prime is 155055620500349. The reversal of 155055620500313 is 313005026550551.

It can be written as a sum of positive squares in 4 ways, for example, as 17787027896089 + 137268592604224 = 4217467^2 + 11716168^2 .

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 155055620500313 - 2⁸ = 155055620500057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155055620400313) 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, 4841270 + ... + 18263327.

It is an arithmetic number, because the mean of its divisors is an integer number (20872913326881).

Almost surely, 2^{155055620500313} is an apocalyptic number.

155055620500313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155055620500313 is a deficient number, since it is larger than the sum of its proper divisors (11927686114735).

155055620500313 is a wasteful number, since it uses less digits than its factorization.

155055620500313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23620843.

The product of its (nonzero) digits is 337500, while the sum is 41.

The spelling of 155055620500313 in words is "one hundred fifty-five trillion, fifty-five billion, six hundred twenty million, five hundred thousand, three hundred thirteen".