1390279732811 has 2 divisors, whose sum is σ = 1390279732812. Its totient is φ = 1390279732810.

The previous prime is 1390279732799. The next prime is 1390279732843. The reversal of 1390279732811 is 1182379720931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1390279732811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1390279732511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695139866405 + 695139866406.

It is an arithmetic number, because the mean of its divisors is an integer number (695139866406).

Almost surely, 2^{1390279732811} is an apocalyptic number.

1390279732811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390279732811 is an equidigital number, since it uses as much as digits as its factorization.

1390279732811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 1390279732811 in words is "one trillion, three hundred ninety billion, two hundred seventy-nine million, seven hundred thirty-two thousand, eight hundred eleven".