1056501758353 has 4 divisors (see below), whose sum is σ = 1056554834148. Its totient is φ = 1056448682560.

The previous prime is 1056501758339. The next prime is 1056501758359. The reversal of 1056501758353 is 3538571056501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35769400384 + 1020732357969 = 189128^2 + 1010313^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056501758353 - 2¹⁷ = 1056501627281 is a prime.

It is a super-2 number, since 2×1056501758353² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056501758297 and 1056501758306.

It is not an unprimeable number, because it can be changed into a prime (1056501758359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26508028 + ... + 26547853.

It is an arithmetic number, because the mean of its divisors is an integer number (264138708537).

Almost surely, 2^{1056501758353} is an apocalyptic number.

It is an amenable number.

1056501758353 is a deficient number, since it is larger than the sum of its proper divisors (53075795).

1056501758353 is an equidigital number, since it uses as much as digits as its factorization.

1056501758353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53075794.

The product of its (nonzero) digits is 1890000, while the sum is 49.

The spelling of 1056501758353 in words is "one trillion, fifty-six billion, five hundred one million, seven hundred fifty-eight thousand, three hundred fifty-three".