1086209374721 has 16 divisors (see below), whose sum is σ = 1163152934400. Its totient is φ = 1011273206400.

The previous prime is 1086209374667. The next prime is 1086209374729. The reversal of 1086209374721 is 1274739026801.

It is not a de Polignac number, because 1086209374721 - 2³⁰ = 1085135632897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1086209374721.

It is not an unprimeable number, because it can be changed into a prime (1086209374729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893456 + ... + 1723566.

It is an arithmetic number, because the mean of its divisors is an integer number (72697058400).

Almost surely, 2^{1086209374721} is an apocalyptic number.

It is an amenable number.

1086209374721 is a deficient number, since it is larger than the sum of its proper divisors (76943559679).

1086209374721 is a wasteful number, since it uses less digits than its factorization.

1086209374721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831320.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 1086209374721 in words is "one trillion, eighty-six billion, two hundred nine million, three hundred seventy-four thousand, seven hundred twenty-one".