155541472700 has 72 divisors (see below), whose sum is σ = 355518339120. Its totient is φ = 58904064000.

The previous prime is 155541472663. The next prime is 155541472703. The reversal of 155541472700 is 7274145551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155541472703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3016334 + ... + 3067466.

It is an arithmetic number, because the mean of its divisors is an integer number (4937754710).

Almost surely, 2^155541472700 is an apocalyptic number.

155541472700 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 155541472700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177759169560).

155541472700 is an abundant number, since it is smaller than the sum of its proper divisors (199976866420).

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

155541472700 is a wasteful number, since it uses less digits than its factorization.

155541472700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52767 (or 52760 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The spelling of 155541472700 in words is "one hundred fifty-five billion, five hundred forty-one million, four hundred seventy-two thousand, seven hundred".