155133015232104 has 288 divisors, whose sum is σ = 526396993242120. Its totient is φ = 40910094876672.

The previous prime is 155133015232103. The next prime is 155133015232141. The reversal of 155133015232104 is 401232510331551.

It is a happy number.

155133015232104 is a `hidden beast` number, since 1 + 5 + 5 + 13 + 301 + 5 + 232 + 104 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 76221595328004 + 78911419904100 = 8730498^2 + 8883210^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (155133015232103) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 470996244 + ... + 471325500.

Almost surely, 2^{155133015232104} is an apocalyptic number.

155133015232104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155133015232104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263198496621060).

155133015232104 is an abundant number, since it is smaller than the sum of its proper divisors (371263978010016).

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

155133015232104 is a wasteful number, since it uses less digits than its factorization.

155133015232104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339569 (or 339555 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 155133015232104 its reverse (401232510331551), we get a palindrome (556365525563655).

The spelling of 155133015232104 in words is "one hundred fifty-five trillion, one hundred thirty-three billion, fifteen million, two hundred thirty-two thousand, one hundred four".