1086842552565 has 64 divisors (see below), whose sum is σ = 2168222607360. Its totient is φ = 451636611840.

The previous prime is 1086842552561. The next prime is 1086842552641. The reversal of 1086842552565 is 5652552486801.

It is not a de Polignac number, because 1086842552565 - 2² = 1086842552561 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086842552561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16642146 + ... + 16707324.

It is an arithmetic number, because the mean of its divisors is an integer number (33878478240).

Almost surely, 2^{1086842552565} is an apocalyptic number.

1086842552565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1086842552565 is a deficient number, since it is larger than the sum of its proper divisors (1081380054795).

1086842552565 is a wasteful number, since it uses less digits than its factorization.

1086842552565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79642.

The product of its (nonzero) digits is 23040000, while the sum is 57.

The spelling of 1086842552565 in words is "one trillion, eighty-six billion, eight hundred forty-two million, five hundred fifty-two thousand, five hundred sixty-five".