155133259316 has 18 divisors (see below), whose sum is σ = 315806992578. Its totient is φ = 66485682480.

The previous prime is 155133259289. The next prime is 155133259319. The reversal of 155133259316 is 613952331551.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 154488302500 + 644956816 = 393050^2 + 25396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155133259319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 395747915 + ... + 395748306.

It is an arithmetic number, because the mean of its divisors is an integer number (17544832921).

Almost surely, 2^155133259316 is an apocalyptic number.

It is an amenable number.

155133259316 is an abundant number, since it is smaller than the sum of its proper divisors (160673733262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155133259316 is a wasteful number, since it uses less digits than its factorization.

155133259316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791496239 (or 791496230 counting only the distinct ones).

The product of its digits is 364500, while the sum is 44.

The spelling of 155133259316 in words is "one hundred fifty-five billion, one hundred thirty-three million, two hundred fifty-nine thousand, three hundred sixteen".