1552863312000 has 5376 divisors, whose sum is σ = 8327201500800. Its totient is φ = 282175488000.

The previous prime is 1552863311891. The next prime is 1552863312001. The reversal of 1552863312000 is 2133682551.

1552863312000 is a `hidden beast` number, since 1 + 5 + 5 + 2 + 8 + 633 + 12 + 0 + 0 + 0 = 666.

It is a super-2 number, since 2×1552863312000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1552863312001) by changing a digit.

It is a polite number, since it can be written in 671 ways as a sum of consecutive naturals, for example, 81729647991 + ... + 81729648009.

Almost surely, 2^{1552863312000} is an apocalyptic number.

1552863312000 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 1552863312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4163600750400).

1552863312000 is an abundant number, since it is smaller than the sum of its proper divisors (6774338188800).

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

1552863312000 is a wasteful number, since it uses less digits than its factorization.

1552863312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 1552863312000 its reverse (2133682551), we get a palindrome (1554996994551).

The spelling of 1552863312000 in words is "one trillion, five hundred fifty-two billion, eight hundred sixty-three million, three hundred twelve thousand".