1211036359387 has 2 divisors, whose sum is σ = 1211036359388. Its totient is φ = 1211036359386.

The previous prime is 1211036359367. The next prime is 1211036359391. The reversal of 1211036359387 is 7839536301121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1211036359387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1211036359387.

It is not a weakly prime, because it can be changed into another prime (1211036359367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605518179693 + 605518179694.

It is an arithmetic number, because the mean of its divisors is an integer number (605518179694).

Almost surely, 2^{1211036359387} is an apocalyptic number.

1211036359387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211036359387 is an equidigital number, since it uses as much as digits as its factorization.

1211036359387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 1211036359387 in words is "one trillion, two hundred eleven billion, thirty-six million, three hundred fifty-nine thousand, three hundred eighty-seven".