155004135000 has 640 divisors, whose sum is σ = 574376140800. Its totient is φ = 34352640000.

The previous prime is 155004134963. The next prime is 155004135023. The reversal of 155004135000 is 531400551.

155004135000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 272414716 + ... + 272415284.

It is an arithmetic number, because the mean of its divisors is an integer number (897462720).

Almost surely, 2^155004135000 is an apocalyptic number.

155004135000 is a gapful number since it is divisible by the number (10) 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 155004135000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287188070400).

155004135000 is an abundant number, since it is smaller than the sum of its proper divisors (419372005800).

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

155004135000 is a wasteful number, since it uses less digits than its factorization.

155004135000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 155004135000 its reverse (531400551), we get a palindrome (155535535551).

The spelling of 155004135000 in words is "one hundred fifty-five billion, four million, one hundred thirty-five thousand".