1086325643165 has 20 divisors (see below), whose sum is σ = 1520765427804. Its totient is φ = 744909004224.

The previous prime is 1086325643101. The next prime is 1086325643177. The reversal of 1086325643165 is 5613465236801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 157451827204 + 928873815961 = 396802^2 + 963781^2 .

It is not a de Polignac number, because 1086325643165 - 2⁶ = 1086325643101 is a prime.

It is a super-2 number, since 2×1086325643165² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45232712 + ... + 45256721.

Almost surely, 2^{1086325643165} is an apocalyptic number.

It is an amenable number.

1086325643165 is a deficient number, since it is larger than the sum of its proper divisors (434439784639).

1086325643165 is an frugal number, since it uses more digits than its factorization.

1086325643165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90489466 (or 90489445 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 1086325643165 in words is "one trillion, eighty-six billion, three hundred twenty-five million, six hundred forty-three thousand, one hundred sixty-five".