11046967681 has 2 divisors, whose sum is σ = 11046967682. Its totient is φ = 11046967680.

The previous prime is 11046967661. The next prime is 11046967697. The reversal of 11046967681 is 18676964011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8084887056 + 2962080625 = 89916^2 + 54425^2 .

It is a cyclic number.

It is not a de Polignac number, because 11046967681 - 2¹³ = 11046959489 is a prime.

It is a super-2 number, since 2×11046967681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11046967621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5523483840 + 5523483841.

It is an arithmetic number, because the mean of its divisors is an integer number (5523483841).

Almost surely, 2^11046967681 is an apocalyptic number.

It is an amenable number.

11046967681 is a deficient number, since it is larger than the sum of its proper divisors (1).

11046967681 is an equidigital number, since it uses as much as digits as its factorization.

11046967681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 11046967681 in words is "eleven billion, forty-six million, nine hundred sixty-seven thousand, six hundred eighty-one".