11135520511 has 2 divisors, whose sum is σ = 11135520512. Its totient is φ = 11135520510.

The previous prime is 11135520497. The next prime is 11135520527. The reversal of 11135520511 is 11502553111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11135520511 - 2⁵ = 11135520479 is a prime.

It is a super-2 number, since 2×11135520511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11135520211) 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, 5567760255 + 5567760256.

It is an arithmetic number, because the mean of its divisors is an integer number (5567760256).

Almost surely, 2^11135520511 is an apocalyptic number.

11135520511 is a deficient number, since it is larger than the sum of its proper divisors (1).

11135520511 is an equidigital number, since it uses as much as digits as its factorization.

11135520511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 11135520511 in words is "eleven billion, one hundred thirty-five million, five hundred twenty thousand, five hundred eleven".