1150665655665 has 16 divisors (see below), whose sum is σ = 1841117818176. Its totient is φ = 613670760000.

The previous prime is 1150665655651. The next prime is 1150665655679. The reversal of 1150665655665 is 5665565660511.

It is an interprime number because it is at equal distance from previous prime (1150665655651) and next prime (1150665655679).

It is not a de Polignac number, because 1150665655665 - 2²⁰ = 1150664607089 is a prime.

It is a super-2 number, since 2×1150665655665² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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, 549711 + ... + 1613540.

It is an arithmetic number, because the mean of its divisors is an integer number (115069863636).

Almost surely, 2^{1150665655665} is an apocalyptic number.

1150665655665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1150665655665 is a deficient number, since it is larger than the sum of its proper divisors (690452162511).

1150665655665 is a wasteful number, since it uses less digits than its factorization.

1150665655665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198720.

The product of its (nonzero) digits is 24300000, while the sum is 57.

The spelling of 1150665655665 in words is "one trillion, one hundred fifty billion, six hundred sixty-five million, six hundred fifty-five thousand, six hundred sixty-five".