1056453632645 has 8 divisors (see below), whose sum is σ = 1267764673560. Its totient is φ = 845149363200.

The previous prime is 1056453632621. The next prime is 1056453632669. The reversal of 1056453632645 is 5462363546501.

It is an interprime number because it is at equal distance from previous prime (1056453632621) and next prime (1056453632669).

It can be written as a sum of positive squares in 4 ways, for example, as 198544209889 + 857909422756 = 445583^2 + 926234^2 .

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

It is not a de Polignac number, because 1056453632645 - 2³⁴ = 1039273763461 is a prime.

It is a super-2 number, since 2×1056453632645² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1056453632593 and 1056453632602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343060 + ... + 1979069.

It is an arithmetic number, because the mean of its divisors is an integer number (158470584195).

Almost surely, 2^{1056453632645} is an apocalyptic number.

It is an amenable number.

1056453632645 is a deficient number, since it is larger than the sum of its proper divisors (211311040915).

1056453632645 is an equidigital number, since it uses as much as digits as its factorization.

1056453632645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385735.

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 1056453632645 in words is "one trillion, fifty-six billion, four hundred fifty-three million, six hundred thirty-two thousand, six hundred forty-five".