1085864103103 has 4 divisors (see below), whose sum is σ = 1169392111048. Its totient is φ = 1002336095160.

The previous prime is 1085864103101. The next prime is 1085864103109. The reversal of 1085864103103 is 3013014685801.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1085864103103 - 2¹ = 1085864103101 is a prime.

It is a super-2 number, since 2×1085864103103² (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 (1085864103101) 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, 41764003953 + ... + 41764003978.

It is an arithmetic number, because the mean of its divisors is an integer number (292348027762).

Almost surely, 2^{1085864103103} is an apocalyptic number.

1085864103103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1085864103103 is a deficient number, since it is larger than the sum of its proper divisors (83528007945).

1085864103103 is an equidigital number, since it uses as much as digits as its factorization.

1085864103103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83528007944.

The product of its (nonzero) digits is 69120, while the sum is 40.

Adding to 1085864103103 its reverse (3013014685801), we get a palindrome (4098878788904).

The spelling of 1085864103103 in words is "one trillion, eighty-five billion, eight hundred sixty-four million, one hundred three thousand, one hundred three".