1087841768465 has 16 divisors (see below), whose sum is σ = 1317783040128. Its totient is φ = 862034401536.

The previous prime is 1087841768407. The next prime is 1087841768467. The reversal of 1087841768465 is 5648671487801.

It is a cyclic number.

It is not a de Polignac number, because 1087841768465 - 2³⁶ = 1019122291729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087841768467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308894 + ... + 1507016.

It is an arithmetic number, because the mean of its divisors is an integer number (82361440008).

Almost surely, 2^{1087841768465} is an apocalyptic number.

It is an amenable number.

1087841768465 is a deficient number, since it is larger than the sum of its proper divisors (229941271663).

1087841768465 is a wasteful number, since it uses less digits than its factorization.

1087841768465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199848.

The product of its (nonzero) digits is 72253440, while the sum is 65.

The spelling of 1087841768465 in words is "one trillion, eighty-seven billion, eight hundred forty-one million, seven hundred sixty-eight thousand, four hundred sixty-five".