11016103991 has 2 divisors, whose sum is σ = 11016103992. Its totient is φ = 11016103990.

The previous prime is 11016103957. The next prime is 11016103997. The reversal of 11016103991 is 19930161011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11016103991 is a prime.

It is a super-2 number, since 2×11016103991² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11016103997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5508051995 + 5508051996.

It is an arithmetic number, because the mean of its divisors is an integer number (5508051996).

Almost surely, 2^11016103991 is an apocalyptic number.

11016103991 is a deficient number, since it is larger than the sum of its proper divisors (1).

11016103991 is an equidigital number, since it uses as much as digits as its factorization.

11016103991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 32.

The spelling of 11016103991 in words is "eleven billion, sixteen million, one hundred three thousand, nine hundred ninety-one".