11011312069 has 2 divisors, whose sum is σ = 11011312070. Its totient is φ = 11011312068.

The previous prime is 11011312061. The next prime is 11011312087. The reversal of 11011312069 is 96021311011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5578147969 + 5433164100 = 74687^2 + 73710^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011312069 - 2³ = 11011312061 is a prime.

It is a super-2 number, since 2×11011312069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011312061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505656034 + 5505656035.

It is an arithmetic number, because the mean of its divisors is an integer number (5505656035).

Almost surely, 2^11011312069 is an apocalyptic number.

It is an amenable number.

11011312069 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011312069 is an equidigital number, since it uses as much as digits as its factorization.

11011312069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 11011312069 in words is "eleven billion, eleven million, three hundred twelve thousand, sixty-nine".