1311300541511 has 2 divisors, whose sum is σ = 1311300541512. Its totient is φ = 1311300541510.

The previous prime is 1311300541501. The next prime is 1311300541543. The reversal of 1311300541511 is 1151450031131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311300541511 is a prime.

It is a super-2 number, since 2×1311300541511² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311300541501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655650270755 + 655650270756.

It is an arithmetic number, because the mean of its divisors is an integer number (655650270756).

Almost surely, 2^{1311300541511} is an apocalyptic number.

1311300541511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311300541511 is an equidigital number, since it uses as much as digits as its factorization.

1311300541511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 1311300541511 its reverse (1151450031131), we get a palindrome (2462750572642).

The spelling of 1311300541511 in words is "one trillion, three hundred eleven billion, three hundred million, five hundred forty-one thousand, five hundred eleven".