155235141200 has 120 divisors (see below), whose sum is σ = 385873635840. Its totient is φ = 59952038400.

The previous prime is 155235141109. The next prime is 155235141211. The reversal of 155235141200 is 2141532551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5429342 + ... + 5457858.

It is an arithmetic number, because the mean of its divisors is an integer number (3215613632).

Almost surely, 2^155235141200 is an apocalyptic number.

155235141200 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 155235141200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192936817920).

155235141200 is an abundant number, since it is smaller than the sum of its proper divisors (230638494640).

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

155235141200 is a wasteful number, since it uses less digits than its factorization.

155235141200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29005 (or 28994 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 155235141200 its reverse (2141532551), we get a palindrome (157376673751).

The spelling of 155235141200 in words is "one hundred fifty-five billion, two hundred thirty-five million, one hundred forty-one thousand, two hundred".