11438113350511 has 2 divisors, whose sum is σ = 11438113350512. Its totient is φ = 11438113350510.

The previous prime is 11438113350491. The next prime is 11438113350529. The reversal of 11438113350511 is 11505331183411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11438113350511 - 2¹⁹ = 11438112826223 is a prime.

It is a super-2 number, since 2×11438113350511² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11438113350541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5719056675255 + 5719056675256.

It is an arithmetic number, because the mean of its divisors is an integer number (5719056675256).

Almost surely, 2^{11438113350511} is an apocalyptic number.

11438113350511 is a deficient number, since it is larger than the sum of its proper divisors (1).

11438113350511 is an equidigital number, since it uses as much as digits as its factorization.

11438113350511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 11438113350511 in words is "eleven trillion, four hundred thirty-eight billion, one hundred thirteen million, three hundred fifty thousand, five hundred eleven".