11401311441511 has 2 divisors, whose sum is σ = 11401311441512. Its totient is φ = 11401311441510.

The previous prime is 11401311441497. The next prime is 11401311441517. The reversal of 11401311441511 is 11514411310411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11401311441511 - 2⁹ = 11401311440999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11401311441511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11401311441517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700655720755 + 5700655720756.

It is an arithmetic number, because the mean of its divisors is an integer number (5700655720756).

Almost surely, 2^{11401311441511} is an apocalyptic number.

11401311441511 is a deficient number, since it is larger than the sum of its proper divisors (1).

11401311441511 is an equidigital number, since it uses as much as digits as its factorization.

11401311441511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 28.

Adding to 11401311441511 its reverse (11514411310411), we get a palindrome (22915722751922).

The spelling of 11401311441511 in words is "eleven trillion, four hundred one billion, three hundred eleven million, four hundred forty-one thousand, five hundred eleven".