1552013321300 has 72 divisors (see below), whose sum is σ = 3641986007352. Its totient is φ = 570673152000.

The previous prime is 1552013321251. The next prime is 1552013321303. The reversal of 1552013321300 is 31233102551.

It can be written as a sum of positive squares in 12 ways, for example, as 80848098244 + 1471165223056 = 284338^2 + 1212916^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1552013321300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552013321303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2163581 + ... + 2790180.

It is an arithmetic number, because the mean of its divisors is an integer number (50583138991).

Almost surely, 2^{1552013321300} is an apocalyptic number.

1552013321300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552013321300 is an abundant number, since it is smaller than the sum of its proper divisors (2089972686052).

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

1552013321300 is a wasteful number, since it uses less digits than its factorization.

1552013321300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954029 (or 4954022 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 1552013321300 its reverse (31233102551), we get a palindrome (1583246423851).

The spelling of 1552013321300 in words is "one trillion, five hundred fifty-two billion, thirteen million, three hundred twenty-one thousand, three hundred".