1345061655161 has 32 divisors (see below), whose sum is σ = 1636233984000. Its totient is φ = 1079375175936.

The previous prime is 1345061655151. The next prime is 1345061655193. The reversal of 1345061655161 is 1615561605431.

It is a de Polignac number, because none of the positive numbers 2^k-1345061655161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345061655151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18193076 + ... + 18266858.

It is an arithmetic number, because the mean of its divisors is an integer number (51132312000).

Almost surely, 2^{1345061655161} is an apocalyptic number.

It is an amenable number.

1345061655161 is a deficient number, since it is larger than the sum of its proper divisors (291172328839).

1345061655161 is a wasteful number, since it uses less digits than its factorization.

1345061655161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74613.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 1345061655161 in words is "one trillion, three hundred forty-five billion, sixty-one million, six hundred fifty-five thousand, one hundred sixty-one".