155054115146813 has 2 divisors, whose sum is σ = 155054115146814. Its totient is φ = 155054115146812.

The previous prime is 155054115146789. The next prime is 155054115146867. The reversal of 155054115146813 is 318641511450551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144374114674084 + 10680000472729 = 12015578^2 + 3268027^2 .

It is an emirp because it is prime and its reverse (318641511450551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155054115146813 - 2²⁶ = 155054048037949 is a prime.

It is a super-3 number, since 3×155054115146813³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155054115148813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77527057573406 + 77527057573407.

It is an arithmetic number, because the mean of its divisors is an integer number (77527057573407).

Almost surely, 2^{155054115146813} is an apocalyptic number.

It is an amenable number.

155054115146813 is a deficient number, since it is larger than the sum of its proper divisors (1).

155054115146813 is an equidigital number, since it uses as much as digits as its factorization.

155054115146813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440000, while the sum is 50.

The spelling of 155054115146813 in words is "one hundred fifty-five trillion, fifty-four billion, one hundred fifteen million, one hundred forty-six thousand, eight hundred thirteen".