1085081715543 has 96 divisors (see below), whose sum is σ = 1733629277952. Its totient is φ = 601594560000.

The previous prime is 1085081715533. The next prime is 1085081715569. The reversal of 1085081715543 is 3455171805801.

It is a happy number.

It is not a de Polignac number, because 1085081715543 - 2¹² = 1085081711447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1085081715492 and 1085081715501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085081715533) 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, 1032427368 + ... + 1032428418.

It is an arithmetic number, because the mean of its divisors is an integer number (18058638312).

Almost surely, 2^{1085081715543} is an apocalyptic number.

1085081715543 is a deficient number, since it is larger than the sum of its proper divisors (648547562409).

1085081715543 is a wasteful number, since it uses less digits than its factorization.

1085081715543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2038 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 48.

The spelling of 1085081715543 in words is "one trillion, eighty-five billion, eighty-one million, seven hundred fifteen thousand, five hundred forty-three".