1085672836521 has 192 divisors, whose sum is σ = 2002723107840. Its totient is φ = 551515668480.

The previous prime is 1085672836499. The next prime is 1085672836559. The reversal of 1085672836521 is 1256382765801.

1085672836521 is a `hidden beast` number, since 1 + 0 + 8 + 5 + 67 + 28 + 36 + 521 = 666.

It is not a de Polignac number, because 1085672836521 - 2¹¹ = 1085672834473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1085672836421) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1362198895 + ... + 1362199691.

It is an arithmetic number, because the mean of its divisors is an integer number (10430849520).

Almost surely, 2^{1085672836521} is an apocalyptic number.

It is an amenable number.

1085672836521 is a deficient number, since it is larger than the sum of its proper divisors (917050271319).

1085672836521 is a wasteful number, since it uses less digits than its factorization.

1085672836521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 1085672836521 in words is "one trillion, eighty-five billion, six hundred seventy-two million, eight hundred thirty-six thousand, five hundred twenty-one".