155554130000 has 50 divisors (see below), whose sum is σ = 376612128354. Its totient is φ = 62221648000.

The previous prime is 155554129979. The next prime is 155554130003. The reversal of 155554130000 is 31455551.

155554130000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 72722987584 + 82831142416 = 269672^2 + 287804^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155554130003) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 7767707 + ... + 7787706.

Almost surely, 2^155554130000 is an apocalyptic number.

155554130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155554130000 is an abundant number, since it is smaller than the sum of its proper divisors (221057998354).

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

155554130000 is an equidigital number, since it uses as much as digits as its factorization.

155554130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15555441 (or 15555420 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 155554130000 its reverse (31455551), we get a palindrome (155585585551).

The spelling of 155554130000 in words is "one hundred fifty-five billion, five hundred fifty-four million, one hundred thirty thousand".