381611405041 has 2 divisors, whose sum is σ = 381611405042. Its totient is φ = 381611405040.

The previous prime is 381611404973. The next prime is 381611405047. The reversal of 381611405041 is 140504116183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193706494641 + 187904910400 = 440121^2 + 433480^2 .

It is a cyclic number.

It is not a de Polignac number, because 381611405041 - 2¹⁷ = 381611273969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381611404988 and 381611405006.

It is not a weakly prime, because it can be changed into another prime (381611405047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190805702520 + 190805702521.

It is an arithmetic number, because the mean of its divisors is an integer number (190805702521).

Almost surely, 2^381611405041 is an apocalyptic number.

It is an amenable number.

381611405041 is a deficient number, since it is larger than the sum of its proper divisors (1).

381611405041 is an equidigital number, since it uses as much as digits as its factorization.

381611405041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 381611405041 in words is "three hundred eighty-one billion, six hundred eleven million, four hundred five thousand, forty-one".