11162222509 has 2 divisors, whose sum is σ = 11162222510. Its totient is φ = 11162222508.

The previous prime is 11162222497. The next prime is 11162222527. The reversal of 11162222509 is 90522226111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11145024900 + 17197609 = 105570^2 + 4147^2 .

It is a cyclic number.

It is not a de Polignac number, because 11162222509 - 2¹³ = 11162214317 is a prime.

It is a super-2 number, since 2×11162222509² (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 (11162222609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5581111254 + 5581111255.

It is an arithmetic number, because the mean of its divisors is an integer number (5581111255).

Almost surely, 2^11162222509 is an apocalyptic number.

It is an amenable number.

11162222509 is a deficient number, since it is larger than the sum of its proper divisors (1).

11162222509 is an equidigital number, since it uses as much as digits as its factorization.

11162222509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 11162222509 in words is "eleven billion, one hundred sixty-two million, two hundred twenty-two thousand, five hundred nine".