11299715881 has 2 divisors, whose sum is σ = 11299715882. Its totient is φ = 11299715880.

The previous prime is 11299715809. The next prime is 11299715887. The reversal of 11299715881 is 18851799211.

11299715881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5661057600 + 5638658281 = 75240^2 + 75091^2 .

It is a cyclic number.

It is not a de Polignac number, because 11299715881 - 2²¹ = 11297618729 is a prime.

It is a super-2 number, since 2×11299715881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11299715887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5649857940 + 5649857941.

It is an arithmetic number, because the mean of its divisors is an integer number (5649857941).

Almost surely, 2^11299715881 is an apocalyptic number.

It is an amenable number.

11299715881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11299715881 is an equidigital number, since it uses as much as digits as its factorization.

11299715881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 52.

The spelling of 11299715881 in words is "eleven billion, two hundred ninety-nine million, seven hundred fifteen thousand, eight hundred eighty-one".