1553612330880 has 512 divisors, whose sum is σ = 5968191196800. Its totient is φ = 380412887040.

The previous prime is 1553612330849. The next prime is 1553612330911. The reversal of 1553612330880 is 880332163551.

1553612330880 is a `hidden beast` number, since 1 + 5 + 536 + 1 + 2 + 3 + 30 + 8 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (1553612330849) and next prime (1553612330911).

It is a super-2 number, since 2×1553612330880² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 11979664 + ... + 12108656.

Almost surely, 2^{1553612330880} is an apocalyptic number.

1553612330880 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 1553612330880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2984095598400).

1553612330880 is an abundant number, since it is smaller than the sum of its proper divisors (4414578865920).

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

1553612330880 is a wasteful number, since it uses less digits than its factorization.

1553612330880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129079 (or 129061 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 1553612330880 in words is "one trillion, five hundred fifty-three billion, six hundred twelve million, three hundred thirty thousand, eight hundred eighty".