1611312084577 has 12 divisors (see below), whose sum is σ = 1747154714160. Its totient is φ = 1485352213488.

The previous prime is 1611312084563. The next prime is 1611312084581. The reversal of 1611312084577 is 7754802131161.

It is not a de Polignac number, because 1611312084577 - 2⁷ = 1611312084449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1611312087577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6325983 + ... + 6575764.

It is an arithmetic number, because the mean of its divisors is an integer number (145596226180).

Almost surely, 2^{1611312084577} is an apocalyptic number.

It is an amenable number.

1611312084577 is a deficient number, since it is larger than the sum of its proper divisors (135842629583).

1611312084577 is a wasteful number, since it uses less digits than its factorization.

1611312084577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12902512 (or 12902499 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 1611312084577 in words is "one trillion, six hundred eleven billion, three hundred twelve million, eighty-four thousand, five hundred seventy-seven".