1056355133428 has 24 divisors (see below), whose sum is σ = 2112821726400. Its totient is φ = 452699744448.

The previous prime is 1056355133423. The next prime is 1056355133429. The reversal of 1056355133428 is 8243315536501.

It is a super-2 number, since 2×1056355133428² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056355133423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449713 + ... + 1521496.

It is an arithmetic number, because the mean of its divisors is an integer number (88034238600).

Almost surely, 2^{1056355133428} is an apocalyptic number.

It is an amenable number.

1056355133428 is an abundant number, since it is smaller than the sum of its proper divisors (1056466592972).

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

1056355133428 is a wasteful number, since it uses less digits than its factorization.

1056355133428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990359 (or 1990357 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 1056355133428 in words is "one trillion, fifty-six billion, three hundred fifty-five million, one hundred thirty-three thousand, four hundred twenty-eight".