1390485750911 has 2 divisors, whose sum is σ = 1390485750912. Its totient is φ = 1390485750910.

The previous prime is 1390485750889. The next prime is 1390485750961. The reversal of 1390485750911 is 1190575840931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1390485750911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1390485750961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695242875455 + 695242875456.

It is an arithmetic number, because the mean of its divisors is an integer number (695242875456).

Almost surely, 2^{1390485750911} is an apocalyptic number.

1390485750911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390485750911 is an equidigital number, since it uses as much as digits as its factorization.

1390485750911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 1390485750911 in words is "one trillion, three hundred ninety billion, four hundred eighty-five million, seven hundred fifty thousand, nine hundred eleven".