155300000000 has 162 divisors, whose sum is σ = 387741012414. Its totient is φ = 62080000000.

The previous prime is 155299999997. The next prime is 155300000017. The reversal of 155300000000 is 3551.

It can be written as a sum of positive squares in 9 ways, for example, as 21367422976 + 133932577024 = 146176^2 + 365968^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 99999224 + ... + 100000776.

Almost surely, 2^155300000000 is an apocalyptic number.

155300000000 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 155300000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193870506207).

155300000000 is an abundant number, since it is smaller than the sum of its proper divisors (232441012414).

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

155300000000 is an frugal number, since it uses more digits than its factorization.

155300000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 14.

Adding to 155300000000 its reverse (3551), we get a palindrome (155300003551).

The spelling of 155300000000 in words is "one hundred fifty-five billion, three hundred million", and thus it is an aban number.