11193117427 has 2 divisors, whose sum is σ = 11193117428. Its totient is φ = 11193117426.

The previous prime is 11193117389. The next prime is 11193117431. The reversal of 11193117427 is 72471139111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11193117427 - 2¹⁵ = 11193084659 is a prime.

It is a super-2 number, since 2×11193117427² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11193117487) 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, 5596558713 + 5596558714.

It is an arithmetic number, because the mean of its divisors is an integer number (5596558714).

Almost surely, 2^11193117427 is an apocalyptic number.

11193117427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11193117427 is an equidigital number, since it uses as much as digits as its factorization.

11193117427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 37.

The spelling of 11193117427 in words is "eleven billion, one hundred ninety-three million, one hundred seventeen thousand, four hundred twenty-seven".