11223031969 has 2 divisors, whose sum is σ = 11223031970. Its totient is φ = 11223031968.

The previous prime is 11223031957. The next prime is 11223031973. The reversal of 11223031969 is 96913032211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11169741969 + 53290000 = 105687^2 + 7300^2 .

It is a cyclic number.

It is not a de Polignac number, because 11223031969 - 2²³ = 11214643361 is a prime.

It is a super-2 number, since 2×11223031969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11223031069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611515984 + 5611515985.

It is an arithmetic number, because the mean of its divisors is an integer number (5611515985).

Almost surely, 2^11223031969 is an apocalyptic number.

It is an amenable number.

11223031969 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223031969 is an equidigital number, since it uses as much as digits as its factorization.

11223031969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 11223031969 in words is "eleven billion, two hundred twenty-three million, thirty-one thousand, nine hundred sixty-nine".