11122877869 has 2 divisors, whose sum is σ = 11122877870. Its totient is φ = 11122877868.

The previous prime is 11122877813. The next prime is 11122877879. The reversal of 11122877869 is 96877822111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10948901769 + 173976100 = 104637^2 + 13190^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122877869 - 2⁹ = 11122877357 is a prime.

It is a super-2 number, since 2×11122877869² (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 (11122877879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561438934 + 5561438935.

It is an arithmetic number, because the mean of its divisors is an integer number (5561438935).

Almost surely, 2^11122877869 is an apocalyptic number.

It is an amenable number.

11122877869 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122877869 is an equidigital number, since it uses as much as digits as its factorization.

11122877869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 52.

The spelling of 11122877869 in words is "eleven billion, one hundred twenty-two million, eight hundred seventy-seven thousand, eight hundred sixty-nine".