1053021335520 has 192 divisors, whose sum is σ = 4135502117376. Its totient is φ = 218809620480.

The previous prime is 1053021335477. The next prime is 1053021335539. The reversal of 1053021335520 is 255331203501.

It is a super-2 number, since 2×1053021335520² (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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14208459 + ... + 14282378.

It is an arithmetic number, because the mean of its divisors is an integer number (21539073528).

Almost surely, 2^{1053021335520} is an apocalyptic number.

1053021335520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053021335520 is an abundant number, since it is smaller than the sum of its proper divisors (3082480781856).

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

1053021335520 is a wasteful number, since it uses less digits than its factorization.

1053021335520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28490873 (or 28490865 counting only the distinct ones).

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

The spelling of 1053021335520 in words is "one trillion, fifty-three billion, twenty-one million, three hundred thirty-five thousand, five hundred twenty".