1085223968853 has 4 divisors (see below), whose sum is σ = 1446965291808. Its totient is φ = 723482645900.

The previous prime is 1085223968761. The next prime is 1085223968911. The reversal of 1085223968853 is 3588693225801.

It is a happy number.

1085223968853 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 1085223968853 - 2⁹ = 1085223968341 is a prime.

It is a super-2 number, since 2×1085223968853² (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 (1085223968053) 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, 180870661473 + ... + 180870661478.

It is an arithmetic number, because the mean of its divisors is an integer number (361741322952).

Almost surely, 2^{1085223968853} is an apocalyptic number.

It is an amenable number.

1085223968853 is a deficient number, since it is larger than the sum of its proper divisors (361741322955).

1085223968853 is an equidigital number, since it uses as much as digits as its factorization.

1085223968853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361741322954.

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 1085223968853 in words is "one trillion, eighty-five billion, two hundred twenty-three million, nine hundred sixty-eight thousand, eight hundred fifty-three".