16777771141 has 2 divisors, whose sum is σ = 16777771142. Its totient is φ = 16777771140.

The previous prime is 16777771111. The next prime is 16777771151. The reversal of 16777771141 is 14117777761.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15642755041 + 1135016100 = 125071^2 + 33690^2 .

It is a cyclic number.

It is not a de Polignac number, because 16777771141 - 2⁷ = 16777771013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16777771111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8388885570 + 8388885571.

It is an arithmetic number, because the mean of its divisors is an integer number (8388885571).

Almost surely, 2^16777771141 is an apocalyptic number.

It is an amenable number.

16777771141 is a deficient number, since it is larger than the sum of its proper divisors (1).

16777771141 is an equidigital number, since it uses as much as digits as its factorization.

16777771141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403368, while the sum is 49.

The spelling of 16777771141 in words is "sixteen billion, seven hundred seventy-seven million, seven hundred seventy-one thousand, one hundred forty-one".