1055453213120 has 112 divisors (see below), whose sum is σ = 2541702803808. Its totient is φ = 417418444800.

The previous prime is 1055453213119. The next prime is 1055453213161. The reversal of 1055453213120 is 213123545501.

It is a super-2 number, since 2×1055453213120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32606864 + ... + 32639216.

It is an arithmetic number, because the mean of its divisors is an integer number (22693775034).

Almost surely, 2^{1055453213120} is an apocalyptic number.

1055453213120 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 1055453213120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270851401904).

1055453213120 is an abundant number, since it is smaller than the sum of its proper divisors (1486249590688).

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

1055453213120 is a wasteful number, since it uses less digits than its factorization.

1055453213120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33518 (or 33508 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 1055453213120 its reverse (213123545501), we get a palindrome (1268576758621).

The spelling of 1055453213120 in words is "one trillion, fifty-five billion, four hundred fifty-three million, two hundred thirteen thousand, one hundred twenty".