155523104000 has 144 divisors (see below), whose sum is σ = 422649130176. Its totient is φ = 56553728000.

The previous prime is 155523103987. The next prime is 155523104027. The reversal of 155523104000 is 401325551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131087 + ... + 572913.

It is an arithmetic number, because the mean of its divisors is an integer number (2935063404).

Almost surely, 2^155523104000 is an apocalyptic number.

155523104000 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 155523104000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211324565088).

155523104000 is an abundant number, since it is smaller than the sum of its proper divisors (267126026176).

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

155523104000 is an equidigital number, since it uses as much as digits as its factorization.

155523104000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441869 (or 441845 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 155523104000 its reverse (401325551), we get a palindrome (155924429551).

The spelling of 155523104000 in words is "one hundred fifty-five billion, five hundred twenty-three million, one hundred four thousand".