378811481051 has 2 divisors, whose sum is σ = 378811481052. Its totient is φ = 378811481050.

The previous prime is 378811481047. The next prime is 378811481119. The reversal of 378811481051 is 150184118873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378811481051 - 2² = 378811481047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378811480987 and 378811481005.

It is not a weakly prime, because it can be changed into another prime (378811486051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189405740525 + 189405740526.

It is an arithmetic number, because the mean of its divisors is an integer number (189405740526).

Almost surely, 2^378811481051 is an apocalyptic number.

378811481051 is a deficient number, since it is larger than the sum of its proper divisors (1).

378811481051 is an equidigital number, since it uses as much as digits as its factorization.

378811481051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 47.

The spelling of 378811481051 in words is "three hundred seventy-eight billion, eight hundred eleven million, four hundred eighty-one thousand, fifty-one".