1555130003232 has 192 divisors, whose sum is σ = 4485095314560. Its totient is φ = 468881547264.

The previous prime is 1555130003221. The next prime is 1555130003237. The reversal of 1555130003232 is 2323000315551.

It is a self number, because there is not a number n which added to its sum of digits gives 1555130003232.

It is not an unprimeable number, because it can be changed into a prime (1555130003237) 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 31 ways as a sum of consecutive naturals, for example, 23013078 + ... + 23080554.

It is an arithmetic number, because the mean of its divisors is an integer number (23359871430).

Almost surely, 2^{1555130003232} is an apocalyptic number.

1555130003232 is a gapful number since it is divisible by the number (12) 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 1555130003232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2242547657280).

1555130003232 is an abundant number, since it is smaller than the sum of its proper divisors (2929965311328).

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

1555130003232 is a wasteful number, since it uses less digits than its factorization.

1555130003232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67875 (or 67867 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 1555130003232 its reverse (2323000315551), we get a palindrome (3878130318783).

The spelling of 1555130003232 in words is "one trillion, five hundred fifty-five billion, one hundred thirty million, three thousand, two hundred thirty-two".