155150532180 has 144 divisors (see below), whose sum is σ = 539134587264. Its totient is φ = 35378622720.

The previous prime is 155150532151. The next prime is 155150532209. The reversal of 155150532180 is 81235051551.

155150532180 is a `hidden beast` number, since 1 + 5 + 51 + 505 + 3 + 21 + 80 = 666.

155150532180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155150532151) and next prime (155150532209).

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

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 47 ways as a sum of consecutive naturals, for example, 384219 + ... + 676701.

Almost surely, 2^155150532180 is an apocalyptic number.

155150532180 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 155150532180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269567293632).

155150532180 is an abundant number, since it is smaller than the sum of its proper divisors (383984055084).

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

155150532180 is a wasteful number, since it uses less digits than its factorization.

155150532180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292926 (or 292921 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The spelling of 155150532180 in words is "one hundred fifty-five billion, one hundred fifty million, five hundred thirty-two thousand, one hundred eighty".