11011109999969 has 2 divisors, whose sum is σ = 11011109999970. Its totient is φ = 11011109999968.

The previous prime is 11011109999957. The next prime is 11011109999987. The reversal of 11011109999969 is 96999990111011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10700095210000 + 311014789969 = 3271100^2 + 557687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011109999969 is a prime.

It is a super-2 number, since 2×11011109999969² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11011109996969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505554999984 + 5505554999985.

It is an arithmetic number, because the mean of its divisors is an integer number (5505554999985).

Almost surely, 2^{11011109999969} is an apocalyptic number.

It is an amenable number.

11011109999969 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011109999969 is an equidigital number, since it uses as much as digits as its factorization.

11011109999969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3188646, while the sum is 65.

The spelling of 11011109999969 in words is "eleven trillion, eleven billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred sixty-nine".