1085161382261 has 8 divisors (see below), whose sum is σ = 1224633535200. Its totient is φ = 952492749040.

The previous prime is 1085161382231. The next prime is 1085161382269. The reversal of 1085161382261 is 1622831615801.

1085161382261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1085161382261 - 2¹⁴ = 1085161365877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085161382269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700879591 + ... + 1700880228.

It is an arithmetic number, because the mean of its divisors is an integer number (153079191900).

Almost surely, 2^{1085161382261} is an apocalyptic number.

1085161382261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1085161382261 is a deficient number, since it is larger than the sum of its proper divisors (139472152939).

1085161382261 is a wasteful number, since it uses less digits than its factorization.

1085161382261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401759859.

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 1085161382261 in words is "one trillion, eighty-five billion, one hundred sixty-one million, three hundred eighty-two thousand, two hundred sixty-one".