1345061140665 has 32 divisors (see below), whose sum is σ = 2348772999552. Its totient is φ = 651864768000.

The previous prime is 1345061140651. The next prime is 1345061140681. The reversal of 1345061140665 is 5660411605431.

It is not a de Polignac number, because 1345061140665 - 2²⁴ = 1345044363449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1410546 + ... + 2163275.

It is an arithmetic number, because the mean of its divisors is an integer number (73399156236).

Almost surely, 2^{1345061140665} is an apocalyptic number.

1345061140665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345061140665 is a deficient number, since it is larger than the sum of its proper divisors (1003711858887).

1345061140665 is a wasteful number, since it uses less digits than its factorization.

1345061140665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576121.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 1345061140665 in words is "one trillion, three hundred forty-five billion, sixty-one million, one hundred forty thousand, six hundred sixty-five".