11117634511 has 2 divisors, whose sum is σ = 11117634512. Its totient is φ = 11117634510.

The previous prime is 11117634469. The next prime is 11117634527. The reversal of 11117634511 is 11543671111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11117634511 - 2⁹ = 11117633999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11117614511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558817255 + 5558817256.

It is an arithmetic number, because the mean of its divisors is an integer number (5558817256).

Almost surely, 2^11117634511 is an apocalyptic number.

11117634511 is a deficient number, since it is larger than the sum of its proper divisors (1).

11117634511 is an equidigital number, since it uses as much as digits as its factorization.

11117634511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 31.

The spelling of 11117634511 in words is "eleven billion, one hundred seventeen million, six hundred thirty-four thousand, five hundred eleven".