11011863827 has 2 divisors, whose sum is σ = 11011863828. Its totient is φ = 11011863826.

The previous prime is 11011863809. The next prime is 11011863853. The reversal of 11011863827 is 72836811011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11011863827 - 2²⁰ = 11010815251 is a prime.

It is a super-2 number, since 2×11011863827² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11011863857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505931913 + 5505931914.

It is an arithmetic number, because the mean of its divisors is an integer number (5505931914).

Almost surely, 2^11011863827 is an apocalyptic number.

11011863827 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011863827 is an equidigital number, since it uses as much as digits as its factorization.

11011863827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 11011863827 in words is "eleven billion, eleven million, eight hundred sixty-three thousand, eight hundred twenty-seven".