1085266785393 has 96 divisors (see below), whose sum is σ = 1849907085312. Its totient is φ = 600227107200.

The previous prime is 1085266785311. The next prime is 1085266785431. The reversal of 1085266785393 is 3935876625801.

1085266785393 is a `hidden beast` number, since 1 + 0 + 8 + 5 + 26 + 6 + 78 + 539 + 3 = 666.

It is not a de Polignac number, because 1085266785393 - 2⁸ = 1085266785137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 1085266785393.

It is not an unprimeable number, because it can be changed into a prime (1085266785193) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 406313448 + ... + 406316118.

It is an arithmetic number, because the mean of its divisors is an integer number (19269865472).

Almost surely, 2^{1085266785393} is an apocalyptic number.

It is an amenable number.

1085266785393 is a deficient number, since it is larger than the sum of its proper divisors (764640299919).

1085266785393 is a wasteful number, since it uses less digits than its factorization.

1085266785393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035 (or 4032 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 63.

The spelling of 1085266785393 in words is "one trillion, eighty-five billion, two hundred sixty-six million, seven hundred eighty-five thousand, three hundred ninety-three".