1056027400453 has 8 divisors (see below), whose sum is σ = 1059124633560. Its totient is φ = 1052934474240.

The previous prime is 1056027400391. The next prime is 1056027400457. The reversal of 1056027400453 is 3540047206501.

It can be written as a sum of positive squares in 4 ways, for example, as 2926593604 + 1053100806849 = 54098^2 + 1026207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056027400453 is a prime.

It is a super-2 number, since 2×1056027400453² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056027400457) 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, 585288 + ... + 1566721.

It is an arithmetic number, because the mean of its divisors is an integer number (132390579195).

Almost surely, 2^{1056027400453} is an apocalyptic number.

It is an amenable number.

1056027400453 is a deficient number, since it is larger than the sum of its proper divisors (3097233107).

1056027400453 is an equidigital number, since it uses as much as digits as its factorization.

1056027400453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153447.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 1056027400453 in words is "one trillion, fifty-six billion, twenty-seven million, four hundred thousand, four hundred fifty-three".