1053213053520 has 80 divisors (see below), whose sum is σ = 3266788858560. Its totient is φ = 280699533312.

The previous prime is 1053213053513. The next prime is 1053213053533. The reversal of 1053213053520 is 253503123501.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1053213053520² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 798985 + ... + 1656744.

It is an arithmetic number, because the mean of its divisors is an integer number (40834860732).

Almost surely, 2^{1053213053520} is an apocalyptic number.

1053213053520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053213053520 is an abundant number, since it is smaller than the sum of its proper divisors (2213575805040).

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

1053213053520 is a wasteful number, since it uses less digits than its factorization.

1053213053520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457532 (or 2457526 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

It can be divided in two parts, 105321 and 3053520, that added together give a triangular number (3158841 = T₂₅₁₃).

The spelling of 1053213053520 in words is "one trillion, fifty-three billion, two hundred thirteen million, fifty-three thousand, five hundred twenty".