1085825455453 has 4 divisors (see below), whose sum is σ = 1133035257888. Its totient is φ = 1038615653020.

The previous prime is 1085825455441. The next prime is 1085825455457. The reversal of 1085825455453 is 3545545285801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085825455453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1085825455394 and 1085825455403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085825455457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23604901183 + ... + 23604901228.

It is an arithmetic number, because the mean of its divisors is an integer number (283258814472).

Almost surely, 2^{1085825455453} is an apocalyptic number.

It is an amenable number.

1085825455453 is a deficient number, since it is larger than the sum of its proper divisors (47209802435).

1085825455453 is an equidigital number, since it uses as much as digits as its factorization.

1085825455453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47209802434.

The product of its (nonzero) digits is 19200000, while the sum is 55.

The spelling of 1085825455453 in words is "one trillion, eighty-five billion, eight hundred twenty-five million, four hundred fifty-five thousand, four hundred fifty-three".