1055504000000 has 308 divisors, whose sum is σ = 2703444692340. Its totient is φ = 411648000000.

The previous prime is 1055503999981. The next prime is 1055504000009. The reversal of 1055504000000 is 4055501.

It can be written as a sum of positive squares in 14 ways, for example, as 903016873984 + 152487126016 = 950272^2 + 390496^2 .

It is a super-2 number, since 2×1055504000000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055504000009) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 655999196 + ... + 656000804.

Almost surely, 2^{1055504000000} is an apocalyptic number.

1055504000000 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 1055504000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1351722346170).

1055504000000 is an abundant number, since it is smaller than the sum of its proper divisors (1647940692340).

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

1055504000000 is an frugal number, since it uses more digits than its factorization.

1055504000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

Adding to 1055504000000 its reverse (4055501), we get a palindrome (1055508055501).

The spelling of 1055504000000 in words is "one trillion, fifty-five billion, five hundred four million", and thus it is an aban number.