2113144377161 has 16 divisors (see below), whose sum is σ = 2218129816320. Its totient is φ = 2011421892480.

The previous prime is 2113144377133. The next prime is 2113144377173. The reversal of 2113144377161 is 1617734413112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2113144377161 - 2¹⁴ = 2113144360777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113144377101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3885611 + ... + 4395936.

It is an arithmetic number, because the mean of its divisors is an integer number (138633113520).

Almost surely, 2^{2113144377161} is an apocalyptic number.

It is an amenable number.

2113144377161 is a deficient number, since it is larger than the sum of its proper divisors (104985439159).

2113144377161 is an equidigital number, since it uses as much as digits as its factorization.

2113144377161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8281744.

The product of its digits is 84672, while the sum is 41.

The spelling of 2113144377161 in words is "two trillion, one hundred thirteen billion, one hundred forty-four million, three hundred seventy-seven thousand, one hundred sixty-one".