1379395043311 has 2 divisors, whose sum is σ = 1379395043312. Its totient is φ = 1379395043310.

The previous prime is 1379395043297. The next prime is 1379395043339. The reversal of 1379395043311 is 1133405939731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1379395043311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379395043381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689697521655 + 689697521656.

It is an arithmetic number, because the mean of its divisors is an integer number (689697521656).

Almost surely, 2^{1379395043311} is an apocalyptic number.

1379395043311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379395043311 is an equidigital number, since it uses as much as digits as its factorization.

1379395043311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 49.

The spelling of 1379395043311 in words is "one trillion, three hundred seventy-nine billion, three hundred ninety-five million, forty-three thousand, three hundred eleven".