11091411265511 has 2 divisors, whose sum is σ = 11091411265512. Its totient is φ = 11091411265510.

The previous prime is 11091411265471. The next prime is 11091411265513. The reversal of 11091411265511 is 11556211419011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11091411265511 - 2¹⁸ = 11091411003367 is a prime.

It is a super-2 number, since 2×11091411265511² (a number of 27 digits) contains 22 as substring.

Together with 11091411265513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11091411265513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5545705632755 + 5545705632756.

It is an arithmetic number, because the mean of its divisors is an integer number (5545705632756).

Almost surely, 2^{11091411265511} is an apocalyptic number.

11091411265511 is a deficient number, since it is larger than the sum of its proper divisors (1).

11091411265511 is an equidigital number, since it uses as much as digits as its factorization.

11091411265511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 38.

The spelling of 11091411265511 in words is "eleven trillion, ninety-one billion, four hundred eleven million, two hundred sixty-five thousand, five hundred eleven".