381319451011 has 2 divisors, whose sum is σ = 381319451012. Its totient is φ = 381319451010.

The previous prime is 381319450969. The next prime is 381319451057. The reversal of 381319451011 is 110154913183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 381319451011 - 2¹¹ = 381319448963 is a prime.

It is not a weakly prime, because it can be changed into another prime (381319451311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190659725505 + 190659725506.

It is an arithmetic number, because the mean of its divisors is an integer number (190659725506).

Almost surely, 2^381319451011 is an apocalyptic number.

381319451011 is a deficient number, since it is larger than the sum of its proper divisors (1).

381319451011 is an equidigital number, since it uses as much as digits as its factorization.

381319451011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 381319451011 in words is "three hundred eighty-one billion, three hundred nineteen million, four hundred fifty-one thousand, eleven".